| Eltern | Geschwister | Kinder |
| William FitzOsbern | Gisla de Grai | |
| Adeliza FitzOsbern | Reynald de Grai | |
| Alice Toeni | William FitzWilliam | Anchitil de Grai |
| Roger Breteuil | ||
| Ralph FitzWilliam | ||
| John FitzWilliam | ||
| Richard FitzWilliam | ||
| Emma Fitzosborne | ||
| Partner | ||
| John de Grai |