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Father: Henry De Percy
Born: 1273, England
Marr: 1299
Died: 1314, England
Mother: Eleanor FitzAlan (Arundel)
Born: 1277, England
Died: 1328
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Father: Robert De Clifford
Born: 1274, England
Marr: 1295
Died: 1314, Scotland
Mother: Maud De Clare
Born: 1276, England
Died: 1327
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 | Henry De Percy
Born: 13 FEB 1300 OR 14 FEB 1301 - , Leconfield, Yorkshire, England
Marr: 1314 - , , Yorkshire, England
Died: 6 MAR 1351 OR 5 MAR 1352 - , Warkworth, Northumberland, England
Other Spouses:
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 | Idonea De Clifford
Born: ABT 1300 - Of, Appleby, Westmoreland, England
Died: 1 SEP 1365 -
Other Spouses:
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 | 1. Eleanor Percy Born: ABT 1336 - Of, Alnwick, Northumberland, England Marr: - Died: BEF 1368 - |  | 2. Margaret De Percy Born: ABT 1318 - Of, Alnwick, Northumberland, England Marr: - Died: 11 SEP 1376 - Gyng, New Buttsbury, Essex, England |  |
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 | 3. Henry De Percy Born: 1320 - Of, Castle, Alnwick, Northumberland, England Marr: - Died: 26 MAY 1368 - |  | 4. Richard Percy Born: 1322 - Of, Alnwick, Northumberland, England Marr: - Died: - |  |
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 | 5. Robert Percy Born: 1326 - Of, Alnwick, Northumberland, England Marr: - Died: - |  | 6. William Percy Born: 1332 - Of, Alnwick, Northumberland, England Marr: - Died: - |  |
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 | 7. Thomas De Percy Born: 1328 - Of, Alnwick, Northumberland, England Marr: - Died: 1369 - |  | 8. Isabel De Percy Born: ABT 1326 - Of, Alnwick, Northumberland, England Marr: - Died: 1368 - |  |
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 | 9. Roger De Percy Born: ABT 1324 - Alnwick, Northumberland, England Marr: - Died: - |  | 10. Maud De Percy Born: ABT 1335 - Of, Warkworth Castle, Alnwick, Northumberland, England Marr: 1357 - John Neville Died: 26 FEB 1378 OR 26 FEB 1379 - |  |
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