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surnamegenealogypages
genealogy of the surname family |
Family: Iowerth Drwyndwn Ap Owain Mawr / Margred Verch Madog, of Powys (F100002161)
m. Abt 1163Gwladus Verch Llywarch, of Pembroke (1100- ) 
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Maelgwn ab Owain "Gwynedd" (1130-1175) |
| Susanna ferch Gruffudd Mawr (1100- ) |
| Elise ap Madog, arglwydd of Edeirnion (1130-1199) |
| Iorwerth ap Madog (1130- ) |
| Llywelyn ap Madog (1130-1160) |
Gwenllian ferch Madog (1130- )  |
| Efa ferch Madog (1130- ) |
| [unknown] ferch Madog (1130- ) |
| Owain ap Madog (1150- ) |
| Iowerth Drwyndwn Ap Owain Mawr (1145-1185)
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| Margred Verch Madog, of Powys (1130- )
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| Prince of Wales Llywelyn "Mawr" ab Iorwerth "Drwyndwn" ap Iorwerth, Prince of Aberffraw, Lord of Snowdon (1173-1240) |
| Adda ab Iorwerth "Drwyndwn" (1170- ) |
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