| | John de Courtenay 1218–1274 | | |
| | Hugh IV de Vere 1184–1263 | | |
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| | Lucia D'Abrinces 1151–1194 | | |
| | Alberic de Vere 1090–1141 | | | | Gilbert Fitz Richard 1070–1117 Adeliza of Clermont … …–… | | | | Richard fitz Gilbert 1030–1091 Rohese Giffard de Bolebec …–… | | | | Gilbert … Count of Brienne 979–… | | | | Godfrey (Geoffrey) … Count of Brionne and Eu 979–1015 | | |
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| | | Walter Giffard de Bolebec …–… |
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| | | Hugh I … Count of Clermont …–… Margaret of Montdidier … …–… | | | | Hildouin IV … Count of Montdidier …– | | | | Ebles I … Count of Roucy …– | | |
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