| Family |
William ap THOMAS, b. Abt 1400, Perth-Hir, Monmouth, Gwent, Monmouthshire, Wales d. 1445, London, Middlesex, , England (Age 45 years) |
| Children |
| | 1. William de HERBERT, 1st Earl of Pembroke, b. Abt 1423, Perth-Hir, Monmouth, Gwent, Monmouthshire, Wales d. 27 Jul 1469, Banbury, Northamptonshire, England (Age 46 years) |
| | 2. Richard HERBERT, b. Abt 1425, Perth-Hir, Monmouth, Gwent, Monmouthshire, Wales d. 26 Jul 1469, Battle of Edgecote Moor, Danes Moor, Northamptonshire, England (Age 44 years) |
| | 3. Elizabeth verch WILLIAM AP THOMAS, b. Abt 1427, Perth-Hir, Monmouth, Gwent, Monmouthshire, Wales d. Yes, date unknown |
| | 4. Margaret verch WILLIAM AP THOMAS, b. Abt 1429, Perth-Hir, Monmouth, Gwent, Monmouthshire, Wales d. Yes, date unknown |
| | 5. Maud verch WILLIAM AP THOMAS, b. Abt 1431, Perth-Hir, Monmouth, Gwent, Monmouthshire, Wales d. Yes, date unknown |
| | 6. Olivia verch WILLIAM AP THOMAS, b. Abt 1433, Perth-Hir, Monmouth, Gwent, Monmouthshire, Wales d. Yes, date unknown |
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