1. | Margaret de Mortimer (daughter of Roger de Mortimer, 1st Baron Mortimer and Maud De Braose); and died. Margaret married Robert de Vere, 6th Earl of Oxford. Robert (son of Robert de Vere, 5th Earl of Oxford and Alice de Sanford) and died. [Group Sheet] Children:
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2. | Roger de Mortimer, 1st Baron Mortimer (son of Ralph de Mortimer and Gwladys Ddu); and died. Roger married Maud De Braose. Maud (daughter of William De Braose and Eva Marshal) and died. [Group Sheet] |
3. | Maud De Braose (daughter of William De Braose and Eva Marshal); and died.
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4. | Ralph de Mortimer and died. Ralph married Gwladys Ddu. Gwladys (daughter of Llywelyn "Llywelyn the Great" ab Iorwerth, Prince of Gwynedd and Joan, Lady of Wales) and died. [Group Sheet] |
5. | Gwladys Ddu (daughter of Llywelyn "Llywelyn the Great" ab Iorwerth, Prince of Gwynedd and Joan, Lady of Wales); and died.
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6. | William De Braose and died. William married Eva Marshal. Eva (daughter of William Marshal, 1st Earl of Pembroke and Isabel de Clare) and died. [Group Sheet] |
7. | Eva Marshal (daughter of William Marshal, 1st Earl of Pembroke and Isabel de Clare); and died.
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10. | Llywelyn "Llywelyn the Great" ab Iorwerth, Prince of Gwynedd was born about 1173 (son of Iorwerth ab Owain and Marared); and died. Llywelyn married Joan, Lady of Wales. Joan (daughter of King John and Clementina) and died. [Group Sheet] |
11. | Joan, Lady of Wales (daughter of King John and Clementina); and died.
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14. | William Marshal, 1st Earl of Pembroke (son of John Fitzgilbert the Marshal and Sybilla of Salisbury); and died. William married Isabel de Clare. Isabel (daughter of Richard de Clare, 2nd Earl of Pembroke and Aoife MacMurrough) and died. [Group Sheet] |
15. | Isabel de Clare (daughter of Richard de Clare, 2nd Earl of Pembroke and Aoife MacMurrough); and died.
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