1. | Gwladys Ap Llywarch, of Pembroke (daughter of Lord of Pembroke Llywarch Ap Trahaern). Family/Spouse: Prince of Gwynedd Owain Gwynedd Ap Gruffydd Mawr. Owain (son of Prince of Gwynedd Gruffydd Ap Cynan Mawr and Angharad, of Tegaingl) was born in 1100 in , Anglesey, Wales, United Kingdom; died on 28 Nov 1170 in Caernarfon, Caernarvon, Wales, United Kingdom; was buried in Bangor Cathedral, Bangor, Caernarvonshire, Wales, United Kingdom. [Group Sheet] [Family Chart]
Children:
- Ievan Ap Qwain Gwynedd Mawr
- Iowerth Drwyndwn Ap Owain Mawr was born in 1125 in Aberffraw Castle, Aberffraw, Anglesey, Wales, United Kingdom; died in 1174 in Pennant Melangell, , Wales, United Kingdom.
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