Owaine Gwynedd ap Gruffydd
He died in December 1169.  He was buried in Bangor.

 Gwladys

 Iorworth Dywyndwn Ap Owain Gwynedd
Iorworth Dywyndwn Ap Owain was born in 1136 in Aberffraw Castle, Anglesey, North Wales.  He died at the age of 38 in 1174 in Pennant Mehangell.