Family/Spouse: Gruffydd Ap Cynan. Gruffydd (son of Cynan Ap Iago and Rhanullt O'Olaf) was born in 1055 in Of, , Caernarvonshire, Wales; died in 1137 in , , Caernarvonshire, Wales; was buried in Bangor Cathedral, Is Gwyrfai, Caernarvonshire, Wales. [Group Sheet] [Family Chart]