Born: Abt 956, Dynevor Castle, Llandilo, Carmarthenshire, Wales
Marriage Information:
Gwenllian married Elystan Glodryd AP CUHELYN of Buillth, son of Cuhelyn AP IFOR and Gwen FERCH GRONWY. (Elystan Glodryd AP CUHELYN of Buillth was born about 956 in Buillth, Breconshire, Wales and died in Cefndigoll, Wales.)