| | John of Gaunt (Haus: Plantegenet) 1. Duke of Lancaster (durch Heirat) 1340–1399 Blanche of Lancaster 1342–1368 | | | | Edward III of England (Haus: Plantagenet) 1312–1377 Philippa d' Hainaut 1310–1369 | | | | Edward II of England 1284–1327 Isabelle de France 1295–1358 | | |
| | | Guillaume I "d' Avesnes" d' Hainaut Comte Guillaume I d'Hainaut & Graaf Wilhelm III von Holland & Zeeland 1286–1337 Jeanne de Valois 1291–1348 | | |
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| | | Henry of Grosmont 1. Duke of Lancaster 1310–1361 Isabella de Beaumont (-au-Maine) 1315–1356 | | | | Henry „Plantagenet“ of Lancaster 3. Earl of Lancaster 1280–1345 Maude (Mahaut) de Chaworth 1282–1322 | | |
| | | Henri de Beaumont (Haus: Brienne) 1. Baron de Beaumont-au-Maine 1265–1340 | | |
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