| Eltern | Geschwister | Kinder |
| Mathilde Montgomery | ||
| Robert Montgomery | ||
| Hugues Montgomery | ||
| Phillip Montgomery | ||
| Roger Montgomery | ||
| Emma Montgomery | ||
| Roger Montgomery | Mabel Montgomery | |
| Sibyl Montgomery | Richard Grenville | |
| Mabel Talvas | Arnulph Montgomery | Maud Fitzhammon |
| Partner | ||
| Robert Fitzhamon |