A genealogy of the Heath, Palmer, Thayer, Goodnow, and other allied families.
- 1363
| Earl of March Edmund Mortimer | |
| D: | 1425 |
 | Roger Mortimer -1409 |
| Roger Mortimer | |
| D: | 1409 |
| Earl Richard of_Cambridge Plantagenet | |
| D: | 1415 |
| Earl of March IV Roger Mortimer | |
| D: | 1398 |
| ,,,Ireland | |
| Eleanor Holland -1405 |
| Eleanor Holland | |
| D: | 1405 |
| Edmund Mortimer -1409 |
| Edmund Mortimer | |
| D: | 1409 |
| Philippa Mortimer -1401 |
| Philippa Mortimer | |
| D: | 1401 |
| Countess Philippa of_Ulster | |
| D: | 1382 |
| Earl of March 3d Edmund Mortimer | |
| D: | 1381 |
|
| Lady Elizabeth de_Burgh -1363 |
| Lady Elizabeth de_Burgh | |
| D: | 10 Dec 1363 |
| Dublin | |
| Duke of Clarence Lionel of_Antwerp 1338-1363 |
| Duke of Clarence Lionel of_Antwerp | |
| B: | 29 Nov 1338 |
| Antwerp,Belgium | |
| M: | 9 Sep 1342 |
| Tower of London,London,England | |
| D: | 10 Dec 1363 |
| Dublin,Ireland | |
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