Compact tree of Nigel d'Aubigny
| Roger de St Sauveur 940–989 | Neil II de St Sauveur 966–1045 | Osulf du Plessis 974–1047 | |||||||||||
| William d'Aubigny 1010–1066 |
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Adeliza Fitz Osulf du Plessis 1014– | |||||||||||
| Richard I “The Fearless” of Normandy 933–996 | Siegfried “The Dane” de Guines 905–965 | William I “Longsword” of Normandy 900–943 | |||||||||||
| Geoffrey de Brienne 953–1015 | Adela d'Eu 985–1066 | Heloise de Guines 958–1002 | Richard I “The Fearless” of Normandy 933–996 | Matilda de Normandy –1017 | Gunnora Haraldsdottir de Crepon 935–1031 | ||||||||
| Elstrude of Flanders 932–964 | Adele de Senlis 911–940 | ||||||||||||