Gladys verch Rhiwallon of Powys was born circa 1041 in Pembrokeshire, Wales to Rhiwallon ap Cynfyn (1025-1070) and Faelis verch Llywelyn (1025-1081) and died circa 1095 Pembroke Castle, Pembrokeshire, Wales of unspecified causes. She married Rhys ap Tewdwr (c1040-1093) 1075 JL in Wales.
Children
| Name | Birth | Death | Joined with |
| Meredith Gethan ap Rhys (1077-) | |||
| Ardden ferch Rhys (1079-) | |||
| Gruffydd ap Rhys (1081-1137) | |||
| Llewelyn ap Rhys (1084-) | |||
| Nest ferch Rhys (c1085-1136) | 1085 Wales | 1136 Wales | Gerald FitzWalter (c1070-1136) Stephan Cardigan (c1070-) Henry I of England (1068-1135) |
Siblings
Residences
See Also
- House of Deheubarth
- Gladys verch Rhiwallon of Powys at thePeerage
- Gladys verch Rhiwallon of Powys, Geni.com, https://www.geni.com/people/Gwladys-verch-Rhiwallon-Queen-of-Deheubarth/6000000006232244373, retrieved 02 Mar 2025
- Gladys verch Rhiwallon of Powys, FamilySearch.org, https://ancestors.familysearch.org/en/LBZ1-F4V, retrieved 02 Mar 2025
- TEWDR Mawr, son of CADELL ap Edwin of Gwynedd, Foundation for Medieval Genealogy, https://fmg.ac/Projects/MedLands/WALES.htm#TewdrMawrA, retrieved 02 Mar 2025
Historical Records
- Married to GWLADUS, daughter of RHIWALLON ap Cynfyn & his wife ---. The Chronicle of the Princes of Wales records in 1106 that "Cadwgan son of Bleddyn and Gwladus daughter of Rhiwallon, the mother of Nest were cousins, as Bleddyn and Rhiwallon, sons of Cynvyn, were brothers"