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. She had two brothers named Bleddyn "Sais" ap and Rhiwallon ap.  She was the oldest of the three children. She had a half-brother named Gruffudd ap.

‌Iwerydd verch and Gwrgan ap were married in a religious ceremony before 1039 in 1st husband 2nd wife.  They had a son and a daughter, named Iestyn ap and Myfanwy verch.

‌Iwerydd verch and Edwin ap were married in a religious ceremony after 1040 in 2nd husband.  They had two sons named Owain ap and Uchdrud ap.