| 1. Sir John IWARDBY |
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| B: |
1425 |
| P: |
Quainton, Aylesbury, Buckinghamshire, England |
| D: |
1525 |
| P: |
Quainton, Aylesbury, Buckinghamshire, England |
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| 2. John de IWARDBY |
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| B: |
1390 |
| P: |
Quainton, Buckinghamshire, England |
| M: |
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| P: |
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| D: |
16 Aug 1470 |
| P: |
Great Missenden Hall, Greyhurst, Buckinghamshire, England |
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1425 - 1525 (100 years)