Owain Ap Gryffydd
Owain Ap was born in 1087 in Aberffrad Castle, Anglesey, Wales.  He died at the age of 82 on December 11th, 1169 in Carnarvonshire, Wales.  He was buried in Bangor Cathedral, Is Gwyrfai, Caernarvonshire, Wales.

 Gwladus Verch Llywarch
Gwladus was born in 1098 in Arwystli, Montgomeryshire, Wales.

 Gwenllian I ferch Owain
Gwenllian I ferch was born about 1124 in Caernarvonshire, Wales.

 Iorwerth ap Owain
Iorwerth was born in 1130 in Aberffraw Castle, Aberffraw, Wales.  He died at the age of 54 in 1184.