| b 1096, Of, Hook Norton, Oxfordshire, England | Mr Sire D' Ouilly | |||
| Nigel D' Oilly, [Constable] | b 1014 | |||
| | b 1040 | ||||
| Robert II D' Oilly, [Baron] | d 1115 | |||
| |b 1070 | | | |||
| |d 1142 | Agnes | |||
| | | b 1044 | |||
| Gilbert D' Oilly | Forne Fitzsigulf | > | ||
| |Mrs-Gilbert Doyley | Sigulf Fitzforne | |m 1137 | Forne Fitzsigulf, [Baron] | b 1028 |
| | | |b 1048 | |||
| Edith Fitzforne | d 1129 | |||
| b 1084 | | | |||
| d 1152 | Mrs-Forne Fitzsigulf | |||
| b 1050 | ||||