The descendants of Prince Tomas were claimed by Sir John Wynn as his ancestors (a claim he would later have proven in court) and by the Anwyl of Tywyn Family.
Gwynedd | Owain Glyndŵr | Bangor, Gwynedd | Bala, Gwynedd | Rhodri Morgan | Owain Gwynedd | Kingdom of Gwynedd | Maelgwn Gwynedd | Owain Lawgoch | Owain | Alys ferch Owain Glyndŵr | Tal-y-llyn, Gwynedd | Rhodri ap Hyfaidd | Owain Goch ap Gruffydd | Owain Brown | Maredudd ab Owain | House of Gwynedd | Bethesda, Gwynedd | Anarawd ap Rhodri | Tomas ap Rhodri | Rhun ab Owain Gwynedd | Rhodri Philipps, 4th Viscount St Davids | Rhodri Marsden | Rhodri Lloyd | Owain Phyfe | Owain Glyndŵr (Owen Glendower) | Owain ap Hywel Dda | Maredudd ap Cynan ab Owain Gwynedd | Maelgwn ab Owain Gwynedd | Lower Gwynedd Township, Montgomery County, Pennsylvania |