Iwerydd verch Cynfyn

Iwerydd verch was born about 1024 in Powys, Wales.  Iwerydd verch's father was Cynfyn ap Gwerystan and her mother was Angharad verch Maredudd.  Her paternal grandparents were Gwerystan ap Gwaithfoed , Baron Powys and Nest verch Cadell; her maternal grandparents were Maredudd ap Owain and Miss verch Llandilo. She had two brothers and a sister, named Bleddyn "Sais" ap, Rhiwallon ap and Miss verch.  She was the second oldest of the four children. She had a half-brother named Gruffudd ap.