| | Lord John de Greystoke 1389–1436 Baroness Elizabeth de Ferrers 1393–1434 | | | | Lord Ralph FitzWilliam de Greystoke 1353–1418 Catherine Clifford 1358–1413 | | | | William FitzRalph de Greystoke 1321–1359 Joan de FitzHenry 1331–1403 | | |
| | | Maud de Beauchamp 1333–1403 | | |
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| | | Sir Robert de Ferrers 1373–1396 Joan de Beaufort 1375–1445 | | | | Sir Robert de Ferrers 1350–1380 Elizabeth Boteler 1345–1411 | | |
| | | Duke John of Gaunt 1340–1399 Duchess Catherine de Roet 1350–1403 Blanche Plantagenet 1341–1368 | | |
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