| 1. DE MORTEYN, Sir John |
 |
| B: |
1274 |
| P: |
Tillsworth, Bedfordshire, England |
| D: |
1346 |
| P: |
Bedfordshire, England |
|
| 2. DE MORTEYN, John |
|
| B: |
1260 |
| P: |
Tillsworth, Bedfordshire, England |
| M: |
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| P: |
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| D: |
Abt 1296 |
| P: |
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| 4. |
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| 8. |
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| 3. GOBION, Joan |
|
| B: |
1248 |
| P: |
Horton, Hardingstone, Northamptonshire, England |
| D: |
1312 |
| P: |
Tillsworth, Bedfordshire, England |
|
| 6. GOBION, Lord Hugh |
|
| B: |
1219 |
| P: |
Horton, Northamptonshire, England |
| M: |
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| P: |
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| D: |
1275 |
| P: |
Horton, Northamptonshire, England |
|
| 12. GOBION, Richard |
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| B: |
Abt 1180 |
| P: |
Horton, Hardingstone, Northamptonshire, England |
| M: |
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| P: |
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| D: |
Bef 29 Dec 1230 |
| P: |
Gascony, France |
|
1274 - 1346 (72 years)
