| 1. St John, Sir John |
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| B: |
6 Feb 1426 |
| P: |
Bletsoe, Bedfordshire, England |
| D: |
8 Dec 1489 |
| P: |
Bletsoe, Bedfordshire, England |
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| 2. St John, Sir Oliver |
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| B: |
1400 |
| P: |
Bletsoe, Bedfordshire, England |
| M: |
1425 |
| P: |
Bletsoe, Bedfordshire, England |
| D: |
3 Apr 1437 |
| P: |
Rouen, Seine-Maritime, Haute-Normandie, France |
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| 6. de Beauchamp, John |
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| B: |
1385 |
| P: |
Bletsoe, Bedfordshire, England |
| M: |
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Apr 1412 |
| P: |
Bletsoe, Bedfordshire, England |
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1426 - 1489 (63 years)