| 1. Roger Giffard |
 |
| B: |
1367 |
| P: |
Twyford, Buckinghamshire, England |
| D: |
14 Apr 1409 |
| P: |
Twyford, Buckinghamshire, England |
|
| 2. Thomas (Sir) Giffard |
|
| B: |
Nov 1339 |
| P: |
Twyford, Buckinghamshire, England |
| M: |
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| P: |
|
| D: |
25 Sep 1394 |
| P: |
Twyford, Buckinghamshire, England |
|
| 4. John Giffard |
|
| B: |
1301 |
| P: |
Twyford, Buckinghamshire, England |
| M: |
|
| P: |
|
| D: |
Between 1368 and 1369 |
| P: |
|
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| 8. |
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1367 - 1409 (42 years)