Maredudd ap Bleddyn

Maredudd ap was born about 1047 in Monmouthshire, Wales.  Maredudd ap's father was Bleddyn "Sais" ap Cynfyn , Prince of Powys and his mother was Haer verch Cynillin. He had a brother named Cadwgon ap.  He was the older of the two children. He had two half-sisters named Efa verch and Hunydd verch.  He died about 1132.

They had two sons named Gruffudd ap and Madog ap.

They had a son named Iorwerth "Goch" ap.