Family/Spouse: Cadwgon Ap Bleddyn. Cadwgon (son of Bleddyn (king of Gwynedd and Powys) Ap Cynfyn and Haer Verch Cillin) was born in 1050 in Montgomeryshire, Wales; died in 1111 in Welshpool, Montgomeryshire, Wales. [Group Sheet] [Family Chart]