Editing Heir apparent (section)

===Heirs apparent who predeceased the monarch===

{| class="wikitable"
|-
! Heir apparent
! Lived
! Heir of
! Cause of death
|-
|[[Kawab]]
|Died before 2566 BC
|[[Khufu]]
|rowspan=4|Unknown causes
|-
|[[Setka (prince)|Setka]]
|Died before 2558 BC
|[[Djedefre]]
|-
|[[Yanassi]]
|Died before 1580 BC
|[[Khyan]]
|-
|[[Ahmose-ankh]]
|Died before 1525 BC
|[[Ahmose I]]
|-
|[[Amenemhat (son of Thutmose III)|Amenemhat]]
|Died c. 1455 BC
|[[Thutmose III]]
|Plague
|-
|[[Amenmose (prince)|Amenmose]]
|Died before 1493 BC
|[[Thutmose I]]
|rowspan=3|Unknown causes
|-
|[[Amenhotep (prince)|Amenhotep]]
|Died before 1401 BC
|[[Amenhotep II]]
|-
|[[Thutmose (prince)|Thutmose]]
|Died before 1353 BC
|[[Amenhotep III]]
|-
|[[Nakhtmin]]
|Died before 1323 BC
|[[Ay (pharaoh)|Ay]]
|Either died of unknown causes or was killed by [[Horemheb]]
|-
|[[Amun-her-khepeshef]]
|Died c. 1254 BC
|rowspan=3|[[Ramesses II]]
|rowspan=4|Unknown causes
|-
|[[Ramesses (prince)|Ramesses]]
|Died c. 1229 BC
|-
|[[Khaemweset]]
|Died c. 1224 BC
|-
|[[Amun-her-khepeshef (20th dynasty)|Amun-her-khepeshef]]
|Died before 1155 BC
|[[Ramesses III]]
|-
|[[Crown Prince Mian]]
|Died 707 BC
|[[Duke Huan of Chen]]
|Killed by uncle [[Chen Tuo]]
|-
|[[Yukou]]
|BC 672
|[[Duke Xuan of Chen]]
|Killed
|-
|[[Fusu]]
|Died 210 BC
|[[Qin Shi Huang]]
|Forced to commit suicide
|-
|[[Liu Ju]]
|BC 128–BC 91
|[[Emperor Wu of Han]]
|Killed
|-
|[[Pacorus I]]
|Died BC 38
|[[Orodes II of Parthia]]
|Killed in battle
|-
|[[Gaius Caesar]]
|BC 20–4 AD
|rowspan=2|[[Augustus]]
|Wounds
|-
|[[Lucius Caesar]]
|BC 17–2 AD
|Sudden illness
|-
|[[Germanicus]]
|BC 15–19 AD
|rowspan=4|[[Tiberius]]
|Mysterious illness
|-
|[[Drusus Julius Caesar]]
|BC 13–23 AD
|Suspected poisoning
|-
|[[Nero Julius Caesar]]
|6–31
|rowspan=2|Starvation
|-
|[[Drusus Caesar]]
|7–33
|-
|[[Tiberius Gemellus]]
|19–37
|[[Caligula]]
|Killed
|-
|[[Lucius Aelius Caesar]]
|101–138
|[[Hadrian]]
|Hemorrhage
|-
|[[Marcus Annius Verus Caesar]]
|162–169
|[[Marcus Aurelius]]
|Natural causes
|-
|[[Cao Ang]]
|Died in 197
|[[Cao Cao]]
|[[Killed in battle]]
|-
|[[Sun Deng (Eastern Wu)|Sun Deng]]
|209–241
|[[Emperor Da of Wu]]
|Illness 
|-
|[[Valerian II]]
|Died 258
|[[Gallienus]]
|Died under mysterious circumstances
|-
|[[Liu Xuan (Three Kingdoms)|Liu Xuan]]
|224–264
|[[Liu Shan]]
|Killed in [[Disaster of Yongjia]]
|-
|[[Sima Yu]] 
|278–300
|[[Emperor Hui of Jin]]
|Killed by Empress [[Jia Nanfeng]]
|-
|[[Nigrinian]]
|Died 284/285
|[[Carinus]]
|rowspan=2| Unknown causes
|-
|[[Tuoba Huang]]
|428–451
|[[Emperor Taiwu of Northern Wei]]
|-
|[[Xiao Zhangmao]]
|458–493
|[[Emperor Wu of Southern Qi]]
|rowspan=3|Illness
|-
|[[Xiao Tong]]
|501–531
|[[Emperor Wu of Liang]]
|-
|[[Yang Zhao]]
|584–606
|[[Emperor Yang of Sui]]
|-
|[[Li Jiancheng]] 
|589–626
|[[Emperor Gaozu of Tang]]
|Killed during the [[Xuanwu Gate Incident]]
|-
|[[Mardanshah (Sasanian prince)|Mardanshah]]
|Died 628
|[[Khosrow II]]
|Killed
|-
|[[Li Hong]]
|652–675
|[[Emperor Gaozong of Tang]]
|rowspan=2|Illness
|-
|[[Prince Kusakabe]]
|662–689
|[[Empress Jitō]]
|-
|[[Prince Yide|Li Chongrun]] 
|682–701
|rowspan=2|[[Emperor Zhongzong of Tang]]
|Executed by Empress [[Wu Zetian]]
|-
|[[Li Chongjun]]
|683–707
|Killed after coup
|-
|[[Li Ying (prince)|Li Ying]] 
|Died in 737
|[[Emperor Xuanzong of Tang]]
|Killed
|-
|[[Li Ning (Tang dynasty)|Li Ning]] 
|793–812
|[[Emperor Xianzong of Tang]]
|Illness
|-
|[[Li Yong (prince)|Li Yong]] 
|Died in 838
|[[Emperor Wenzong of Tang]]
|Unknown cause
|-
|[[Liudolf, Duke of Swabia]]
|930–957
|[[Otto the Great]]
|Fever
|-
|[[Saint Emeric of Hungary]]
|1007–1031
|[[Stephen I of Hungary]]
|Hunting accident
|-
|[[Edward the Exile]]
|1016–1057
|[[Edward the Confessor]]
|rowspan=2|Unknown cause
|-
|[[Henry, son of Robert I of Burgundy|Henry of Burgundy]]
|1035–1070
|[[Robert I, Duke of Burgundy]]
|-
|[[Sancho Alfónsez]]
|1093–1108
|[[Alfonso VI of León and Castile]]
|Killed at the [[Battle of Uclés (1108)|Battle of Uclés]]
|-
|[[William Adelin]]
|1103–1120
|[[Henry I of England]]
|Drowned in the ''[[White Ship]]'' disaster
|-
|[[Zhao Fu]]
|1127–1129
|[[Emperor Gaozong of Song]]
|rowspan=2|Illness
|-
|[[Henry of Scotland]]
|1114–1152
|[[David I of Scotland]]
|-
|[[Roger III, Duke of Apulia]]
|1118–1148
|[[Roger II of Sicily]]
|Unknown causes
|-
|[[Eustace IV, Count of Boulogne]]
|1127–1153
|[[Stephen, King of England]]
|Sudden death
|-
|[[Henry Berengar]]
|1136–1150
|[[Conrad III of Germany]]
|Illness
|-
|Peter of Barcelona
|1152–1157
|[[Petronilla of Aragon]] and [[Ramon Berenguer IV, Count of Barcelona]]
|Unknown cause
|-
|[[Roger IV, Duke of Apulia]]
|1152–1161
|[[William I of Sicily]]
|Arrow to the eye
|-
|[[William IX, Count of Poitiers]]
|1153–1156
|rowspan=2|[[Henry II of England]]
|Seizure
|-
|[[Henry the Young King]]
|1155–1183
|Dysentery
|-
|[[Ferdinand of Castile (died 1211)|Ferdinand of Castile]]
|1189–1211
|[[Alfonso VIII of Castile]]
|Fever
|-
|[[Ferdinand of León (died 1214)|Ferdinand of León]]
|1192–1214
|[[Alfonso IX of León]]
|rowspan=3|Unknown cause
|-
|[[Naratheinga Uzana]]
|1197–1235
|[[Htilominlo]]
|-
|[[Sigurd Lavard]]
|Died 1200
|[[Sverre of Norway]]
|-
|[[Alexios Palaiologos (despot)|Alexios Palaiologos]]
|Died 1203
|[[Alexios III Angelos]]
|Natural causes
|-
|[[Valdemar the Young]]
|1209–1231
|[[Valdemar II of Denmark]]
|Hunting accident
|-
|[[Andronikos Palaiologos (son-in-law of Theodore I)|Andronikos Palaiologos]]
|Died 1216
|[[Theodore I Laskaris]]
|Disease
|-
|[[Vladislaus III of Moravia]]
|1228–1247
|[[Wenceslaus I of Bohemia]]
|Illness
|-
|[[Thihathu of Pagan]]
|1230s–1256
|[[Uzana of Pagan]]
|Assassinated
|-
|[[Odo, Count of Nevers]]
|1230–1266
|rowspan=2|[[Hugh IV, Duke of Burgundy]]
|Died during Crusades
|-
|[[John of Burgundy (1231–1268)|John, Count of Charolais]]
|1231–1268
|rowspan=4|Illness
|-
|[[Haakon the Young]]
|1232–1257
|[[Haakon IV of Norway]]
|-
|[[Zhenjin]]
|1243–1286
|[[Kublai Khan]]
|-
|[[Louis of France (1244–1260)|Louis of France]]
|1244–1260
|[[Louis IX of France]]
|-
|[[George (son of David VII of Georgia)|George]]
|1250–1268
|[[David VII of Georgia]]
|Bowel disease 
|-
|[[Fernando de la Cerda (1255–1275)|Fernando de la Cerda]]
|1255–1275
|[[Alfonso X of Castile]]
|Unexpected causes
|-
|[[Louis of France (1264–1276)|Louis of France]]
|1264–1276
|[[Philip III of France]]
|rowspan=3|Illness
|-
|[[Alexander, Prince of Scotland]]
|1264–1284
|[[Alexander III of Scotland]]
|-
|[[Henry, son of Edward I]]
|1268–1274
|[[Edward I of England]]
|-
|[[Theingapati]]
|1270s–1299
|[[Kyawswa of Pagan]]
|Assassinated
|-
|[[Charles Martel of Anjou]]
|1271–1295
|[[Charles II of Naples]]
|Plague
|-
|[[Louis I, Count of Nevers]]
|1272–1322
|[[Robert III, Count of Flanders]]
|Illness
|-
|[[Alphonso, Earl of Chester]]
|1273–1284
|[[Edward I of England]]
|rowspan=2|Illness
|-
|[[Charles, Duke of Calabria]]
|1298–1328
|[[Robert, King of Naples]]
|-
|[[Eric Christoffersen of Denmark]]
|1307–1332
|[[Christopher II of Denmark]]
|Died in battle
|-
|[[Otto the Younger]]
|1322–1366
|[[Henry II, Landgrave of Hesse]]
|Illness
|-
|[[Philip I, Count of Auvergne]]
|1323–1346
|[[Odo IV, Duke of Burgundy]] and [[Joan III, Countess of Burgundy]]
|Fell from horse during siege
|-
|[[Edward, the Black Prince]]
|1330–1376
|[[Edward III of England]]
|A long lasting illness
|-
|[[Christopher, Duke of Lolland]]
|1341–1363
|[[Valdemar IV of Denmark]]
|rowspan=3|Illness
|-
|[[Charles Martel, Duke of Calabria]]
|1345–1348
|[[Joanna I of Naples]]
|-
|[[Zhu Biao]]
|1355–1392
|[[Hongwu Emperor]]
|-
|[[Martin I of Sicily]]
|1374–1409
|[[Martin of Aragon]]
|Malaria
|-
|[[David Stewart, Duke of Rothesay]]
|1378–1402
|[[Robert III of Scotland]]
|Starvation
|-
|[[Henry V of England]]
|1387–1422
|[[Charles VI of France]] (by the [[Treaty of Troyes]])
|Dysentery
|-
|[[Minye Kyawswa]]
|1391–1415
|[[Minkhaung I]]
|Killed in battle
|-
|[[Peter of Aragon (heir of Sicily)|Peter of Aragon]]
|1394–1400
|[[Martin I of Sicily]] and [[Maria, Queen of Sicily]]
|Wound from spear
|-
|[[Louis, Duke of Guyenne]]
|1397–1415
|rowspan=2|[[Charles VI of France]]
|Dysentery
|-
|[[John, Duke of Touraine]]
|1398–1417
|Abscess to the head
|-
|[[Martin of Aragon (heir of Sicily)|Martin of Aragon]]
|1406–1407
|[[Martin I of Sicily]]
|Illness
|-
|[[Richard of York, 3rd Duke of York]]
|1411–1460
|[[Henry VI of England]] (by [[Act of Accord]])
|Killed in battle
|-
|[[Charles, Prince of Viana]]
|1421–1461
|[[John II of Aragon and Navarre]]
|Unknown causes
|-
|[[Alexander Stewart, Duke of Rothesay]]
|1430
|[[James I of Scotland]]
|Illness
|-
|[[Crown Prince Uigyeong]]
|1438–1457
|[[Sejo of Joseon]]
|Illness
|-
|[[Gaston, Prince of Viana]]
|1444–1470
|[[Gaston IV, Count of Foix]]
|Wounds in jousting tournament
|-
|[[:zh:朱见济|Zhu Jianji]]
|1448–1453
|[[Jingtai Emperor]]
|Illness
|-
|[[John, Prince of Portugal (1451)|John, Prince of Portugal]]
|1451
|[[Afonso V of Portugal]]
|Sudden death 
|-
|[[Edward of Westminster, Prince of Wales]]
|1453–1471
|[[Henry VI of England]]
|Killed at the [[Battle of Tewkesbury]]
|-
|[[Ivan the Young]]
|1458–1490
|[[Ivan III of Russia]]
|Gout
|-
|[[:zh:朱祐极|Zhu Youji]]
|1469–1472
|[[Chenghua Emperor]]
|Illness
|-
|[[Edward of Middleham, Prince of Wales]]
|1473–1484
|[[Richard III of England]]
|Unknown
|-
|[[Afonso, Prince of Portugal]]
|1475–1491
|[[John II of Portugal]]
|Horse riding accident
|-
|[[John, Prince of Asturias]]
|1478–1497
|[[Isabella I of Castile]] and [[Ferdinand II of Aragon]]
|Tuberculosis 
|-
|[[Philip I of Castile]]
|1478–1506
|[[Maximilian I, Holy Roman Emperor]]
|Typhoid fever
|-
|[[Arthur, Prince of Wales]]
|1486–1502
|[[Henry VII of England]]
|Unknown illness
|-
|[[Charles Orlando, Dauphin of France]]
|1492–1495
|[[Charles VIII of France]]
|Measles
|-
|[[Miguel da Paz, Prince of Portugal]]
|1498–1500
|[[Manuel I of Portugal]]
|rowspan=6|Illness
|-
|[[John, Hereditary Prince of Saxony]]
|1498–1537
|rowspan=2|[[George, Duke of Saxony]]
|-
|[[Frederick, Hereditary Prince of Saxony]]
|1504–1539
|-
|[[James, Duke of Rothesay (born 1507)|James, Duke of Rothesay]]
|1507–1508
|rowspan=2|[[James IV of Scotland]]
|-
|[[Arthur Stewart, Duke of Rothesay]]
|1509–1510
|-
|[[Magnus III of Mecklenburg-Schwerin]]
|1509–1550
|[[Henry V, Duke of Mecklenburg]]
|-
|[[Henry, Duke of Cornwall]]
|1511
|[[Henry VIII of England]]
|Sudden death
|-
|[[Şehzade Mustafa]]
|1515–1553
|[[Suleiman the Magnificent]]
|Executed
|-
|[[Francis III, Duke of Brittany]]
|1518–1536
|[[Francis I of France]]
|Tuberculosis
|-
|[[Bhoj Raj]]
|Died 1526
|[[Rana Sanga]]
|Died in battle
|-
|[[Afonso, Prince of Portugal (1526)|Afonso, Prince of Portugal]]
|1526
|[[John III of Portugal]]
|Illness
|-
|[[Prince George of Kakheti (died 1561)|Prince George of Kakheti]]
|1529–1561
|[[Levan of Kakheti]]
|Died in battle
|-
|[[Manuel, Prince of Portugal (1531–1537)|Manuel, Prince of Portugal]]
|1531–1537
|rowspan=3|[[John III of Portugal]]
|rowspan=2|Illness
|-
|[[Philip, Prince of Portugal]]
|1533–1539
|-
|[[João Manuel, Hereditary Prince of Portugal]]
|1537–1554
|Tuberculosis or diabetes
|-
|[[Crown Prince Sunhoe]]
|1551–1563
|[[Myeongjong of Joseon]]
|Illness
|-
|[[Tsarevich Dmitry Ivanovich of Russia (1552–1553)|Tsarevich Dmitry Ivanovich of Russia]]
|1552–1553
|rowspan=2|[[Ivan the Terrible|Ivan IV of Russia]]
|Drowned
|-
|[[Tsarevich Ivan Ivanovich of Russia]]
|1554–1581
|Wounds to the head inflicted by his father during a dispute
|-
|[[Karl Friedrich of Jülich-Cleves-Berg]]
|1555–1575
|[[William, Duke of Jülich-Cleves-Berg]]
|Smallpox
|-
|[[Mingyi Swa]]
|1558–1593
|[[Nanda Bayin]]
|Killed in battle
|-
|[[Prince George of Kakheti (died 1605)|Prince George of Kakheti]]
|1570–1605
|[[Alexander II of Kakheti]]
|Killed alongside his father
|-
|[[Ferdinand, Prince of Asturias]]
|1571–1578
|rowspan=2|[[Philip II of Spain]]
|Dysentery
|-
|[[Diego, Prince of Asturias]]
|1575–1582
|Smallpox
|-
|[[Philip de' Medici]]
|1577–1582
|[[Francesco I de' Medici, Grand Duke of Tuscany]]
|Hydrocephalus
|-
|[[John Ernest of Nassau-Siegen (1582–1617)|John Ernest, Hereditary Count of Nassau-Siegen]]
|1582–1617
|[[John VII, Count of Nassau-Siegen]]
|Dysentery
|-
|[[Philip Emmanuel, Prince of Piedmont]]
|1586–1605
|[[Charles Emmanuel I, Duke of Savoy]]
|Smallpox
|-
|[[Khusrau Mirza]]
|1587–1622
|[[Jahangir]]
|Killed by his brother [[Shah Jahan]]
|-
|[[Henry Frederick, Prince of Wales]]
|1594–1612
|[[James I of England]]
|Typhoid fever
|-
|[[Otto, Landgrave of Hesse-Kassel]]
|1594–1617
|[[Maurice, Landgrave of Hesse-Kassel]]
|Accidentally shot himself
|-
|[[Christian, Prince-Elect of Denmark]]
|1603–1647
|[[Christian IV of Denmark]]
|rowspan=3|Illness
|-
|[[Louis of Anhalt-Köthen (the Younger)]]
|1607–1624
|[[Louis I, Prince of Anhalt-Köthen]]
|-
|[[Charles Gonzaga, Duke of Nevers]]
|1609–1631
|[[Charles Gonzaga, Duke of Mantua and Montferrat]]
|-
|[[Crown Prince Sohyeon]]
|1612–1645
|[[Injo of Joseon]]
|Bleeding from the head
|-
|[[Henry Frederick, Hereditary Prince of the Palatinate]]
|1614–1629
|[[Frederick V, Elector Palatine]]
|Drowned 
|-
|[[Erdmann August, Hereditary Prince of Brandenburg-Bayreuth]]
|1615–1651
|[[Christian, Margrave of Brandenburg-Bayreuth]]
|Illness
|-
|[[Dara Shikoh]]
|1615–1659
|[[Shah Jahan]]
|Killed by his brother [[Aurangzeb]]
|-
|[[George Louis, Prince of Nassau-Dillenburg]]
|1618–1656
|[[Louis Henry, Prince of Nassau-Dillenburg]]
|Illness
|-
|[[Maurice Frederick of Nassau-Siegen]]
|1621–1638
|[[William, Count of Nassau-Siegen]]
|Died in the [[Battle of Kallo]]
|-
|[[Ercole, Marquis of Baux]]
|1623–1651
|[[Honoré II, Prince of Monaco]]
|Gunshot wound
|-
|[[Ferdinand Maximilian, Hereditary Prince of Baden-Baden]]
|1625–1669
|[[William, Margrave of Baden-Baden]]
|Hunting accident
|-
|[[Balthasar Charles, Prince of Asturias]]
|1626–1646
|[[Philip IV of Spain]]
|rowspan=2|Smallpox
|-
|[[Ferdinand IV, King of the Romans]]
|1633–1654
|[[Ferdinand III, Holy Roman Emperor]]
|-
|[[Teodósio, Prince of Brazil|Theodosius III]], Duke of Braganza and Prince of Brazil
|1634–1653
|[[John IV of Portugal]]
|Tuberculosis
|-
|[[Sigismund Casimir]]
|1640–1647
|[[Władysław IV Vasa]]
|Dysentery
|-
|[[Tsarevich Dmitry Alexeyevich of Russia]]
|1648–1649
|[[Alexis of Russia]]
|Illness
|-
|[[Prince Luarsab of Kartli]]
|Died 1652
|[[Rostom of Kartli]]
|Gunshot wound
|-
|[[Tsarevich Alexei Alexeyevich of Russia]]
|1654–1670
|[[Alexis of Russia]]
|rowspan=2|Illness
|-
|[[Leopold George, Hereditary Landgrave of Hesse-Homburg]]
|1654–1675
|[[William Christoph, Landgrave of Hesse-Homburg]]
|-
|[[Prince Mamuka of Imereti]]
|Died 1654
|[[Rostom of Kartli]]
|Died in captivity
|-
|[[Charles, Electoral Prince of Brandenburg]]
|1655–1674
|[[Frederick William, Elector of Brandenburg]]
|Dysentery
|-
|[[Philip Prospero, Prince of Asturias]]
|1657–1661
|[[Philip IV of Spain]]
|Epileptic attack 
|-
|[[Louis, Grand Dauphin|Louis, le grand Dauphin]]
|1661–1711
|[[Louis XIV of France]]
|Smallpox
|-
|[[Ferdinando de' Medici, Grand Prince of Tuscany]]
|1663–1713
|[[Cosimo III de' Medici, Grand Duke of Tuscany]]
|Illness
|-
|[[Charles of Mecklenburg-Güstrow]]
|1664–1688
|[[Gustav Adolph, Duke of Mecklenburg-Güstrow]]
|Smallpox
|-
|[[Odoardo Farnese, Hereditary Prince of Parma]]
|1666–1693
|[[Ranuccio II Farnese, Duke of Parma]]
|rowspan=2|Illness
|-
|[[Archduke Leopold Joseph of Austria (1682–1684)|Archduke Leopold Joseph of Austria]]
|1682–1684
|[[Leopold I, Holy Roman Emperor]]
|-
|[[Louis, Duke of Burgundy|Louis, Dauphin and Duke of Burgundy]]
|1682–1712
|[[Louis XIV of France]]
|Measles 
|-
|[[João, Prince of Brazil]]
|1688
|[[Peter II of Portugal]]
|rowspan=2|Illness
|-
|[[Birbhadra Shah]]
|Died  c.1697
|[[Prithvipati Shah]]
|-
|[[Joseph Ferdinand, Electoral Prince of Bavaria]]
|1692–1699
|[[Maximilian II Emanuel, Elector of Bavaria]]
|Sudden illness
|-
|[[Count Palatine Joseph Charles of Sulzbach]]
|1694–1729
|[[Theodore Eustace, Count Palatine of Sulzbach]]
|rowspan=2|Illness
|-
|[[Crown Prince Friedrich Ludwig]]
|1698–1731
|[[Eberhard Louis, Duke of Württemberg]]
|-
|[[Victor Amadeus, Prince of Piedmont]]
|1699–1715
|[[Victor Amadeus II of Sardinia]]
|Smallpox
|-
|[[Archduke Leopold Joseph of Austria (1700–1701)|Archduke Leopold Joseph of Austria]]
|1700–1701
|[[Joseph I, Holy Roman Emperor]]
|Hydrocephalus
|-
|[[Frédéric Maurice Casimir de La Tour d'Auvergne]]
|1702–1723
|[[Emmanuel Théodose de La Tour d'Auvergne (1668–1730)|Emmanuel Théodose de La Tour d'Auvergne]]
|rowspan=2|Illness
|-
|[[Frederick, Hereditary Prince of Baden-Durlach]]
|1703–1732
|[[Charles III William, Margrave of Baden-Durlach]]
|-
|[[Louis, Hereditary Prince of Lorraine]]
|1704–1711
|[[Leopold, Duke of Lorraine]]
|Smallpox
|-
|[[Joseph, Hereditary Prince of Hesse-Rotenburg]]
|1705–1744
|[[Ernest Leopold, Landgrave of Hesse-Rotenburg]]
|rowspan=2|Illness
|-
|[[Ludwig Gruno of Hesse-Homburg]]
|1705–1745
|[[Frederick III, Landgrave of Hesse-Homburg]]
|-
|[[Louis, Duke of Brittany (1707–1712)|Louis, Dauphin and Duke of Brittany]]
|1707–1712
|[[Louis XIV of France]]
|Measles
|-
|[[Léopold Clément, Hereditary Prince of Lorraine]]
|1707–1723
|[[Leopold, Duke of Lorraine]]
|Smallpox
|-
|[[Frederick, Prince of Wales]]
|1707–1751
|[[George II of Great Britain]]
|A burst abscess in the lung
|-
|[[Pedro, Prince of Brazil]]
|1712–1714
|[[John V of Portugal]]
|Unknown disease
|-
|[[Peter Petrovich (1715-1719)|Peter Petrovich]]
|1715–1719
|[[Peter the Great]]
|Unknown causes
|-
|[[Crown Prince Hyojang]]
|1719–1728
|[[Yeongjo of Joseon]]
|Illness
|-
|[[Louis, Dauphin of France (1729–1765)|Louis, Dauphin of France]]
|1729–1765
|[[Louis XV of France]]
|Tuberculosis
|-
|[[:zh:永琏|Yonglian]]
|1730–1738
|[[Qianlong Emperor]]
|Illness
|-
|[[Crown Prince Sado|Crown Prince Sado of Joseon (Korea)]]
|1735–1762
|[[Yeongjo of Joseon]] ([[Korea]])
|His father killed him by locking him in a rice chest
|-
|[[Lê Duy Vĩ]]
|1745–1772
|[[Lê Hiển Tông]]
|Executed<ref name=daiviet5>''[[Đại Việt sử ký toàn thư]]'', [[:s:zh:大越史記全書/續編卷之五|Basic Records, continued compilation 5]]</ref>
|-
|[[Charles Louis, Hereditary Prince of Baden]]
|1755–1801
|[[Charles Frederick, Grand Duke of Baden|Charles Frederick, Margrave of Baden]]
|Illness
|-
|[[Shō Tetsu]]
|1759–1788
|[[Shō Boku]]
|Unknown cause
|-
|[[José, Prince of Brazil]]
|1761–1788
|[[Maria I of Portugal]]
|Smallpox
|-
|[[Thado Minsaw]]
|1762–1808
|[[Bodawpaya]]
|rowspan=2|Illness
|-
|[[Karl Georg August, Hereditary Prince of Brunswick-Wolfenbüttel]]
|1766–1806
|[[Charles William Ferdinand, Duke of Brunswick]]
|-
|[[Charles August, Crown Prince of Sweden]]
|1768–1810
|[[Charles XIII of Sweden]]
|Stroke
|-
|[[Frederick, Hereditary Prince of Anhalt-Dessau]]
|1769–1814
|[[Leopold III, Duke of Anhalt-Dessau]]
|Illness
|-
|[[Carlo, Duke of Calabria]]
|1775–1778
|[[Ferdinand I of the Two Sicilies|Ferdinand IV of Naples]]
|Smallpox
|-
|[[Frederick Louis, Hereditary Grand Duke of Mecklenburg-Schwerin]]
|1778–1819
|[[Frederick Francis I, Grand Duke of Mecklenburg-Schwerin]]
|Illness
|-
|[[Nguyễn Phúc Cảnh]]
|1780–1801
|[[Gia Long|Gia Long Emperor]]
|Smallpox
|-
|[[Louis Joseph, Dauphin of France]]
|1781–1789
|[[Louis XVI of France]]
|Tuberculosis
|-
|[[Crown Prince Munhyo]]
|1782–1788
|[[Jeongjo of Joseon]]
|rowspan=4|Illness
|-
|[[Abbas Mirza]]
|1789–1833
|[[Fath-Ali Shah Qajar]]
|-
|[[Mirza Dara Bakht]]
|1790–1841
|[[Bahadur Shah Zafar]]
|-
|[[Crown Prince Hyomyeong]]
|1809–1830
|[[Sunjo of Joseon]]
|-
|[[Prince Ferdinand Philippe, Duke of Orléans]]
|1810–1842
|[[Louis-Philippe I of France]]
|Carriage accident
|-
|[[Mirza Fath-ul-Mulk Bahadur]]
|1816–1856
|[[Bahadur Shah Zafar]]
|Cholera
|-
|[[Kanaung Mintha]]
|1820–1866
|[[Mindon Min]]
|Assassinated
|-
|[[Tēvita ʻUnga]]
|1824–1879
|[[George Tupou I]]
|Liver ailment
|-
|[[Louis Philippe, Crown Prince of Belgium]]
|1833–1834
|[[Leopold I of Belgium]]
|Inflammation of mucous membrane
|-
|[[Victoria Kamāmalu]]
|1838–1866
|[[Kamehameha V]]
|rowspan=2|Illness
|-
|[[Keaweaweulaokalani|Keaweaweulaokalani I]]
|1839
|[[Kamehameha III]]
|-
|[[William, Prince of Orange]]
|1840–1879
|[[William III of the Netherlands]]
|Debauchery
|-
|[[Keaweaweulaokalani|Keaweaweulaokalani II]]
|1842
|[[Kamehameha III]]
|Illness
|-
|[[Nicholas Alexandrovich, Tsarevich of Russia]]
|1843–1865
|[[Alexander II of Russia]]
|Meningitis
|-
|[[Vuna Takitakimālohi]]
|1844–1862
|[[George Tupou I]]
|Illness
|-
|Raja Musa ibni Sultan Abdul Samad
|1844–1884
|[[Abdul Samad of Selangor]]
|Unknown causes
|-
|[[Charles Augustus, Hereditary Grand Duke of Saxe-Weimar-Eisenach (1844–1894)|Charles Augustus, Hereditary Grand Duke of Saxe-Weimar-Eisenach]]
|1844–1894
|[[Charles Alexander, Grand Duke of Saxe-Weimar-Eisenach]]
|Illness
|-
|[[Afonso, Prince Imperial of Brazil]]
|1845–1847
|[[Pedro II of Brazil]]
|Epilepsy
|-
|[[Trailokya, Crown Prince of Nepal]]
|1847–1878
|[[Surendra of Nepal]]
|Unknown causes
|-
|[[Pedro Afonso, Prince Imperial of Brazil]]
|1848–1850
|[[Pedro II of Brazil]]
|Fever
|-
|[[ʻElisiva Fusipala Taukiʻonetuku]]
|1850–1889
|[[George Tupou I]]
|Illness
|-
|[[Alexander, Prince of Orange]]
|1851–1884
|[[William III of the Netherlands]]
|Typhus
|-
|[[Leleiohoku II]]
|1854–1877
|[[Kalākaua]]
|Rheumatic fever
|-
|[[ʻUelingatoni Ngū]]
|1854–1885
|[[George Tupou I]]
|Illness
|-
|[[Ludvonga]]
|1855–1872
|[[Mswati II]]
|Poisoned
|-
|[[Leopold, Hereditary Prince of Anhalt]]
|1855–1886
|[[Frederick I, Duke of Anhalt]]
|Illness
|-
|[[Şehzade Yusuf Izzeddin]]
|1857–1916
|[[Mehmed V]]
|Suicide (disputed)
|-
|[[Albert Kamehameha]]
|1858–1862
|[[Kamehameha IV]]
|Meningitis 
|-
|[[Rudolf, Crown Prince of Austria]]
|1858–1889
|[[Franz Joseph I of Austria]]
|Suicide (disputed)
|-
|[[Prince Leopold, Duke of Brabant]]
|1859–1869
|[[Leopold II of Belgium]]
|Pneumonia, after falling into a pond
|-
|[[Nalesoni Laifone]]
|1859–1889
|[[George Tupou I]]
|Illness
|-
|[[Araya Selassie Yohannes]]
|1869/1870–1888
|[[Yohannes IV]]
|Smallpox
|-
|[[Alfred, Hereditary Prince of Saxe-Coburg and Gotha]]
|1874–1899
|[[Alfred, Duke of Saxe-Coburg and Gotha]]
|Unclear circumstances
|-
|[[Vajirunhis|Maha Vajirunhis, Crown Prince of Siam]]
|1878–1895
|[[Rama V]]
|Typhoid
|-
|[[Luis Filipe, Duke of Braganza|Luís Filipe, Prince Royal of Portugal]]
|1887–1908
|[[Carlos I of Portugal|Carlos I of Portugal and the Algarves]]
|[[Lisbon Regicide|Jointly assassinated with his father]]
|-
|[[Hamad bin Abdullah Al Thani]]
|1896–1948
|[[Abdullah bin Jassim Al Thani]]
|Illness
|-
|[[Turki I bin Abdulaziz Al Saud]]
|1900–1919
|[[Abdulaziz of Saudi Arabia]]
|Flu
|-
|[[Sultan bin Abdulaziz|Sultan, Crown Prince of Saudi Arabia]]
|1925–2011
|[[Abdullah of Saudi Arabia]]
|rowspan=3|Illness
|-
|[[Muhammed Akbar Khan, Crown Prince of Afghanistan]]
|1933–1941
|[[Mohammed Zahir Shah]]
|-
|[[Nayef bin Abdulaziz|Nayef, Crown Prince of Saudi Arabia]]
|1934–2012
|[[Abdullah of Saudi Arabia]]
|-
|Muhammad bin Sultan Al Qasimi
|1974–1999
|rowspan=2|[[Sultan bin Muhammad Al-Qasimi]]
|[[Opioid overdose|Heroin overdose]]
|-
|[[Khalid bin Sultan Al Qasimi (fashion designer)|Khalid bin Sultan Al Qasimi]]
|1980–2019
|Drug overdose
|}