| | Philippa of Lancaster 1360–1415 Joao I „Bastardo“ de Portugal 1357–1433 | | |
Henry IV of England (Haus: Lancaster) 1366–1413 Jeanne de Navarra (d' Evreux) 1360–1437 | | |
| | Blanche of Lancaster 1342–1368 John of Gaunt (Haus: Plantegenet) 1. Duke of Lancaster (durch Heirat) 1340–1399 | | |
| | Henry of Grosmont 1. Duke of Lancaster 1310–1361 Isabella de Beaumont (-au-Maine) 1315–1356 | | |
| | Maude (Mahaut) de Chaworth 1282–1322 Henry „Plantagenet“ of Lancaster 3. Earl of Lancaster 1280–1345 | | |
