Rhiwallon ap Cynfyn , Prince of Powys

Rhiwallon ap was born in 1026 in Powys, Wales.  Rhiwallon ap's father was Cynfyn ap Gwerystan and his mother was Angharad verch Maredudd. He had a brother and two sisters, named Bleddyn "Sais" ap, Miss verch and Iwerydd verch.  He was the youngest of the four children. He had a half-brother named Gruffudd ap.  He died at the age of 43 in 1069.