Editing Gruffudd ap Llywelyn (section)

{{short description|King of Wales}}
{{about|the 11th-century king of Wales|the 13th-century prince|Gruffudd ap Llywelyn ab Iorwerth}}
{{Use British English|date=July 2024}}
{{Use dmy dates|date=April 2022}}
{{Infobox royalty
| name         = Gruffudd ap Llywelyn
| caption      = Map of Gruffudd ap Llywelyn's Welsh kingdom
| succession   = [[King of Wales]]
| reign        = 1055–1063
| predecessor  = 
| successor    = 
| succession2  = [[List of rulers of Gwynedd|King of Gwynedd]] and of [[Kingdom of Powys|Powys]]
| reign2       = 1039–1055
| predecessor2 = [[Iago ab Idwal ap Meurig]]
| successor2   = [[Bleddyn ap Cynfyn]]
| birth_date   = c. 1010
| birth_place  = [[Rhuddlan]], [[Wales]]
| death_date   = 5 August 1063 (aged 52–53)
| death_place  = [[Snowdonia]], [[Wales]]
| spouse       = Former wife of [[Hywel ab Edwin]]<br>
[[Edith of Mercia|Ealdgyth]]
| issue        = {{plain list|
* Maredudd ap Gruffudd
* Idwal ap Gruffudd
* Nesta ferch Gruffudd
* Owain ap Gruffudd
* Cynan ap Gruffudd
}}
| father       = [[Llywelyn ap Seisyll]]
| mother       = Angharad ferch Maredudd
}}

'''Gruffudd ap Llywelyn''' ({{circa|lk=no|1010}} – 5 August 1063) was the first and only [[King of Wales|Welsh king]] to unite all of [[Wales]] under his rule from 1055 to 1063. He had also previously been [[List of rulers of Gwynedd|King of Gwynedd]] and [[Kingdom of Powys|Powys]] from 1039 to 1055. Gruffudd was the son of [[Llywelyn ap Seisyll]], King of Gwynedd, and Angharad, daughter of [[Maredudd ab Owain]], King of [[Deheubarth]],<ref name="DWB"/> and the great-great-grandson of [[Hywel Dda]].{{sfnb|Lloyd|1911}}<ref name=Lee/> After his death, Wales was again divided into separate kingdoms.