Gruffudd ap Llywelyn ap Iorwerth was the Welsh first-born son of Llywelyn the Great. His mother Tangwystl probably died in childbirth. Wikipedia
Born: 1196
Died: March 1, 1244 (age 48 years), London, United Kingdom
Children: Dafydd ap Gruffydd, Rhodri ap Gruffudd, Owain Goch ap Gruffydd, and more
Parents: Llywelyn ab Iorwerth
Grandparents: Iorwerth Drwyndwn and Marared ferch Madog
Grandchildren: Gwenllian of Wales, Owain ap Dafydd, Gruffudd Leiaf, and more
Partner: Senana ferch Caradog and Rhanullt ferch Rheinallt