Children |
| 1. 1st Earl of Salisbury, 3rd Lord Montagu 1st Earl of Salisbury, 3rd Lord Montagu William de Montagu, b. 1301, Cassington, Oxfordshire, England d. 30 Jan 1343, Windsor Castle, Berkshire, England (Age 42 years) |
| 2. Edward Montacute, b. 1304, Salisbury, Wiltshire, England d. Yes, date unknown |
| 3. Simon Montacute, b. 1305, Salisbury, Wiltshire, England d. Yes, date unknown |
| 4. Elizabeth Montacute, b. 1305, Salisbury, Wiltshire, England d. Yes, date unknown |
| 5. Maud Montacute, b. 1307, Salisbury, Wiltshire, England d. Yes, date unknown |
| 6. Alice de Montagu, b. 1311, Salisbury, Wiltshire, England d. Yes, date unknown |
| 7. Mary Montacute, b. 1313, Salisbury, Wiltshire, England d. Yes, date unknown |
| 8. Katherine Montacute, b. 1315, Salisbury, Wiltshire, England d. Yes, date unknown |
| 9. Hawise Montacute, b. 1317, Salisbury, Wiltshire, England d. Yes, date unknown |
| 10. Isabel Montacute, b. 1319, Salisbury, Wiltshire, England d. Yes, date unknown |
|