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Father: Sir-Randle de Thornton
Born:
Marr:
Died:
Mother: Katherine de St.Pierre
Born:
Died:
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Father: Sir-Wm alias Acton de Helsby
Born: 1268, Cheshire
Marr:
Died:
Mother: Alice Hawise Tursell
Born: 1270
Died:
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 | Sir-Peter(Piers) de Thornton 
Born: ABT 1290 - Thornton, Cheshire.
Marr: -
Died: UNKNOWN -
Other Spouses:
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 | Lucia de Helsby 
Born: ABT 1294 - Thornton, Cheshire.
Died: UNKNOWN -
Other Spouses:
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 | 1. Beatrix de Thornton Born: ABT 1315 - Thornton, Cheshire Marr: - Died: UNKNOWN - |  | 2. Ellen(Eleanor) de Thornton Born: 1316 - Thornton, Cheshire. Marr: 1334 - Thomas de Dutton Died: UNKNOWN - |  |
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 | 3. Emme de Thornton Born: 1320 - Thornton, Cheshire Marr: - Died: UNKNOWN - |  | 4. Katherine de Thornton Born: ABT 1322 - Thornton, Cheshire Marr: - Died: UNKNOWN - |  |
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 | 5. Mary de Thornton Born: ABT 1324 - Thornton, Cheshire Marr: - Died: UNKNOWN - |  | 6. Elizabeth de Thornton Born: 1328 - Thornton, Cheshire. Marr: - Hamon Fitton Died: 1364 - Wilmslow, Cheshire |  |
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 | 7. Maude (Matilda) de Thornton Born: ABT 1335 - Beeston, Cheshire Marr: - Died: UNKNOWN - |  | 8. Margaret de Thornton Born: 1335 - Thornton, Cheshire. Marr: - Henry Donne Died: UNKNOWN - |  |
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