Bleddyn "Sais" ap Cynfyn , Prince of Powys

Bleddyn "Sais" ap was born about 1025 in Powis, Montgomeryshire, Wales.  Bleddyn "Sais" ap's father was Cynfyn ap Gwerystan and his mother was Angharad verch Maredudd.  His maternal grandparents were Maredudd ap Owain and Miss verch Llandilo. He had a brother and a sister, named Rhiwallon ap and Iwerydd verch.  He was the second oldest of the three children. He had a half-brother named Gruffudd ap.  He died in 1075.