- Name: (Prince)Llywelyn "The Great" Ap Iorweth
- Sex: M
- Birth: 1173 in Dolwyddelan Castle, Anglsy, North Wales
- Death: 11 APR 1240 in Aberconway, Carnarvonshire, Wales
Aberconway Abbey, Carnarvonshire, Wales.
in Aberffraw Castle.
- Person Id: I00822
- Tree Id: 595653
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757 Possible Record Matches on Ancestry
- Iorwerth Drwyndwn "The Flat Nosed" ap Owain:
Birth: ABT 1130 in Aberffraw Castle, Anglsy, Wales.
Death: ABT 1173
- (Princess)Margaret verch Madog of Powys:
Birth: ABT 1134 in Abberffraw Castle, Anglsy, Wales.
(Princess)Helen verch Llywelyn:
Birth: ABT 1206 in Gwynedd, Wales.
Death: BEF 24 OCT 1253 in Chester, Cheshire, England
(Princess)Margaret verch Llewelyn:
Birth: ABT 1210 in Carmarthenshire, Wales.
Death: AFT 1264 in Clifford Castle, Herefordshire
Gruffud Ap Llewellyn:
Death: 1 MAR 1245 in Tower Of London
Angharad Verch Llewellyn:
Birth: ABT 1211.
Note: "The Great"
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