1. | Sir Thomas de Clare, Lord of Thomond was born about 1245 (son of Sir Richard de Clare, 5th Earl of Hertford 6th Earl of Gloucester and Maud de Lacy); died in 1287. Thomas married Juliana FitzMaurice. Juliana was born about 1262; died in 1300. [Group Sheet] Children:
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2. | Sir Richard de Clare, 5th Earl of Hertford 6th Earl of Gloucester was born in 1222 (son of Gilbert de Clare, 5th Earl of Gloucester and Isabel Marshal); died in 1262. Richard married Maud de Lacy. Maud and died. [Group Sheet] |
3. | Maud de Lacy and died.
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4. | Gilbert de Clare, 5th Earl of Gloucester and died. Gilbert married Isabel Marshal. Isabel (daughter of William Marshal, 1st Earl of Pembroke and Isabel de Clare) and died. [Group Sheet] |
5. | Isabel Marshal (daughter of William Marshal, 1st Earl of Pembroke and Isabel de Clare); and died.
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10. | 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] |
11. | Isabel de Clare (daughter of Richard de Clare, 2nd Earl of Pembroke and Aoife MacMurrough); and died.
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