Genealogy of the Bryan and Martin Families
Family: Llewellyn, ap Iorwerth the Great / Joan Plantagenet (F2013)
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Iorwerth Drwyndwn ( -1194)
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Margaret, of Powys ( -1200)
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| John, King of England (1169-1216)
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| unknown (1175- ) |
| Llewellyn, ap Iorwerth the Great ( -1240)
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| Joan Plantagenet ( -1240)
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Gwladys ( -1251)  |