| Father | Male Baron William de (Montacute) Montague, 1st Earl of Salisbury |
| Born | 1301 | England - grson of Simon Baron Montacute |
| Died | 1344 | England |
| Buried | ||
| Married | circa 1325 | England |
| Father | 2nd Baron Montacute | F7747 Group Sheet | |
| Mother | ||
| Mother | Female Katherine Grandison |
| Born | circa 1307 | |
| Died | Y | |
| Buried | ||
| Father | William Lord Grandison | F7737 Group Sheet | |
| Mother | Sibella de Tregoz | F7737 Group Sheet | |
| Child 1 | Female Phillipe de Montague |
| Born | circa 1326 | England - dtr of William Earl of Salisbury |
| Died | 1381 | |
| Buried | ||
| Spouse | Sir Roger Mortimer, 2nd Earl of March, K. G. | F7734 | |
| Married | ||
| Child 2 | Male Sir William de Montague, 2nd Earl of Salisbury |
| Born | 1328 | England - son of William 1st Earl of Salisbury |
| Died | 1397 | England |
| Buried |
| Child 4 | Male son of William Montague |
| Born | circa 1332 | England - son of William 1st Earl of Salisbury |
| Died | Bef 1397 | England |
| Buried |