Editing Lord Sinclair (section)

==Lords Sinclair (1449)==
*[[Henry II Sinclair, Earl of Orkney|Henry II Sinclair, Earl of Orkney, 10th Baron of Roslin and the 1st Lord Sinclair]] (d. 1420)
*[[William Sinclair, 1st Earl of Caithness|William Sinclair, 3rd Earl of Orkney, 1st Earl of Caithness, 11th Baron of Roslin and 2nd Lord Sinclair]] (d. 1480)
*[[William Sinclair, 3rd Lord Sinclair]] (d. 1487)
*[[Henry Sinclair, 4th Lord Sinclair]] (d. 1513)
*[[William Sinclair, 5th Lord Sinclair]] (d. 1570)
*[[Henry Sinclair, 6th Lord Sinclair]] (1528–1601)
*[[Henry Sinclair, 7th Lord Sinclair]] (1581–1602)
*[[James Sinclair, 8th Lord Sinclair]] (d. 1607)
*[[Patrick Sinclair, 9th Lord Sinclair]] (d. 1617)
*[[John Sinclair, 10th Lord Sinclair]] (1610–1676)
**Catherine Sinclair, Mistress of Sinclair.

===Herdmanston line===
*Henry St Clair, 11th Lord Sinclair (1660–1723). Eldest son of Catherine Sinclair, daughter of [[John Sinclair, 10th Lord Sinclair]], and her husband [[John Sinclair, 23rd Lord Herdmanston]] (eldest son of John Sinclair, 22nd [[Lord Herdmanston]]).<ref name="Saint-Clair.Herdmanston1">Saint-Clair, Roland (1898). pp. 306–307.</ref> It is not known if the Sinclair Lords Herdmanston share a paternal ancestor with the Lords Sinclair who are descended from the [[Barony of Roslin|Sinclair Barons of Roslin]].<ref name="Saint-Clair.Herdmanston2">Saint-Clair, Roland (1898). p. 311.</ref>
**''[[John St Clair, Master of Sinclair]]'' (1683–1750) (eldest son of eleventh Lord; attainted in 1715 and never allowed to assume title)
**''[[James St Clair]]'' (d. 1762) (younger son of eleventh Lord; never assumed title)
''dormant 1762–1782''
*Charles St Clair, ''de jure'' 11th Lord Sinclair (d. 1775)
*Andrew St Clair, ''de jure'' 12th Lord Sinclair (1733–1775)
*[[Charles St Clair, 13th Lord Sinclair]] (1768–1863) (confirmed in title 1782)
*[[James St Clair, 14th Lord Sinclair]] (1803–1880)
*Charles William St Clair, 15th Lord Sinclair (1831–1922)
*Archibald James Murray St Clair, 16th Lord Sinclair (1875–1957)
*[[Charles Murray Kennedy St Clair, 17th Lord Sinclair]] (1914–2004)
*Matthew Murray Kennedy St Clair, 18th Lord Sinclair (b. 1968) Lord Sinclair was appointed [[Lord Lieutenant of Kirkcudbright]] on 29 July 2021. <ref>{{Cite web|title=Appointment of Lord-Lieutenant of Kirkcudbright: 29 July 2021|url=https://www.gov.uk/government/news/appointment-of-lord-lieutenant-of-kirkcudbright-29-july-2021|access-date=2021-08-06|website=GOV.UK|language=en}}</ref>

The [[heir apparent]] is the present holder's son Harry Murray Kennedy St. Clair, Master of Sinclair (b. 2007).