Owain ap Bleddyn
Owain was born about 1180 in Pengwern, Llangollen, Powys, Wales.

 Eva verch Madog
Eva was born about 1198 in Powys, Wales.

 Steward Iorwerth ("Gam") ap Owain of North Powys
Iorwerth, known as "Gam", was born about 1215 in Pengwern, Powys, Wales.