Onbrawst Verch Gwrgan Fawr

Onbrawst Verch Gwrgan was born about 0550.  Onbrawst Verch Gwrgan's father was Gwrgan Fawr (Gwrcantus Magnus) Ap Cynfyn.  Her paternal grandfather was Cynfyn Ap Peibio Glafro.  She was an only child.  Onbrawst Verch Gwrgan is no longer alive.

They had three sons named Athrwys Ap, Ffriog Ap and Idnerth Ap.