| Eltern | Geschwister | Kinder |
| Isabel Clare | ||
| Gilbert Clare | ||
| Thomas Clare | ||
| Bevis Clare | ||
| Margaret Clare | ||
| Robert Clare | John Mowbray | |
| Richard Clare | Maud Clare | Alexander Mowbray |
| Roese Clare | William Mowbray | |
| Maud Lacy | Eglentine Clare | Constance Mowbray |
| Partner | Alexander Mowbray | |
| Roger de Mowbray |