| | Hugh de Courtenay 2nd Earl of Devon 1303–1377 Margaret de Bohun 1311–1391 | | |
| | Hugh de Courtenay 1273–1340 | | |
| | Eleanor le Despenser 1240–1328 | | |
| | John de Courtenay 1218–1274 | | |
| | Hugh IV de Vere 1184–1263 | | | | Saier de Quincy 1150–1219 | | |
| | | | | | | Lucia D'Abrinces 1151–1194 | | | | Alberic de Vere 1090–1141 | | | | Gilbert Fitz Richard 1070–1117 Adeliza of Clermont … …–… | | |
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