Owain Fawr Gwynedd ap Gruffydd
Owain Fawr Gwynedd ap was born about 1110 in Caernarvonshire, Wales.  He died in December 1169 in Caernarvonshire, Wales.  He was buried in 1169 in Bangor.

 Gwladys verch Llywarch
Gwladys verch was born about 1098 in Arwystli, Montgomeryshire, Wales.

 Maelgwin ap Owain Gwynedd
Maelgwin ap Owain was born about 1126 in Caernarvonshire, Wales.  He died after 1174.

 Dafydd ap Owain Gwynedd
Dafydd ap Owain was born about 1135.  He died in 1203.

 Cynan ap Owain Gwynedd
Cynan ap Owain was born before 1145.

 Iorwerth Drwyndwn ap Owain Gwynedd
Iorwerth Drwyndwn ap Owain was born before 1169 in Aberffraw Castle3, Aberffraw, Anglesey, Wales.  He died in 1174 in Pennant Mehangell.

 Rhodri ap Owain Gwynedd