| Name | Gilbert de CLARE "4th Earl of Gloucester" "8th Earl of Hertford" |
| Birth | 10 May 1291 |
| Death | 14 Jun 1314, Bannockburn, SCOTLAND Age: 23 |
| Occupation | Royalty |
| Cause of death | Battle |
| Father | Gilbert de CLARE "7th Earl of Hertford" "3rd Earl of Gloucester" (1243-1295) |
| Mother | Joan "of Acre" (~1272-1307) |
| 1 | Matilda de BURGH |
| Birth | abt 1290 |
| Death | 1320 Age: 30 |
| Father | Richard de BURGH "2nd Earl of Ulster" "Earl of Connaught" (~1259-1326) |
| Mother | UNNAMED |