| Husband: | William MONTAGUE ( - ) | |
| Wife: | Cathertine GRANDISON ( - ) | |
| Children: | Phillippa MONTAGUE ( - ) | |
| Name: | William MONTAGUE | |
| Sex: | Male | |
| Father: | - | |
| Mother: | - | |
| Occupation | 1st Earl of Salisbury | |
| Name: | Cathertine GRANDISON | |
| Sex: | Female | |
| Father: | - | |
| Mother: | - | |
| Name: | Phillippa MONTAGUE | |
| Sex: | Female | |
| Spouse: | Roger de MORTIMER ( - ) | |