MaleLlewelyn Fawr ab Iowerth, "The Great" |
| Birth | Abt 1173 | Aberffro, Gwynedd, Wales, United Kingdom |
| Death | 11 Apr 1240 | Conwy, Wales, United Kingdom |
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FemaleGwladys ab Owain, Queen of Gwynedd |
| Birth | Abt 1098 | Montgomeryshire, Wales |
| Death | 1155 | Aberffro, Anglesey, Wales |
| Burial | Llanfaes, Gwynedd, Wales, United Kingdom |
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FemaleMargaret verch Llewelyn, Princess of Wales |
| Birth | Abt 1202 | Wales, United Kingdom |
| Death | Abt 1263 | England, United Kingdom |
| Burial | Herefordshire, England, United Kingdom |
FemaleHelen |
| Birth | Abt 1206 | Caernarfonshire, Wales, United Kingdom |
| Death | Bef 24 Oct 1253 | Chester, Cheshire, England, United Kingdom |
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