Sir Richard de Clare, 5th Earl of Hertford 6th Earl of Gloucester
1222 - 1262 (40 years)(Notes: You may have to scroll down or right to see chart.)
| Gilbert "Gilbert the Red" de Clare, 7th Earl of Gloucester | |
| B: | 1243 |
| D: | 1295 |
Alice de Lusignan -1290 |
| Alice de Lusignan | |
| D: | 1290 |
| Gilbert de Clare 1291-1314 |
| Gilbert de Clare | |
| B: | 1291 |
| D: | 1314 |
| Isabel le Despencer -Yes, date unknown |
| Isabel le Despencer | |
| D: | Yes, date unknown |
| Richard Fitzalan D'Arundel, 10th Earl of Arundel 8th Earl of Surrey -Yes, date unknown |
| Richard Fitzalan D'Arundel, 10th Earl of Arundel 8th Earl of Surrey | |
| D: | Yes, date unknown |
| Eleanor de Clare 1292-1337 |
| Eleanor de Clare | |
| B: | 1292 |
| D: | 1337 |
| Hugh Despencer -1326 |
| Hugh Despencer | |
| D: | 1326 |
| Margaret de Clare 1293-1342 |
| Margaret de Clare | |
| B: | 1293 |
| D: | 1342 |
| Elizabeth de Clare 1295-1360 |
| Elizabeth de Clare | |
| B: | 1295 |
| D: | 1360 |
| Princess Joan of Acre 1272-1307 |
| Princess Joan of Acre | |
| B: | 1272 |
| D: | 1307 |
| Idonea de Clifford Abt 1303-1365 |
| Idonea de Clifford | |
| B: | Abt 1303 |
| D: | 1365 |
| Lord Henry de Percy, 9th Baron Percy 2nd Baron Percy of Alnwick | |
| B: | 1300 |
| D: | 1352 |
| Matilda de Clare Abt 1276-1327 |
| Matilda de Clare | |
| B: | Abt 1276 |
| D: | 1327 |
| Lord Robert de Clifford, 1st Baron Clifford & Marshall of England | |
| B: | 1274 |
| D: | 1314 |
| Bannockburn, Stirlingshire, Scotland | |
| Sir Thomas de Clare, Lord of Thomond Abt 1245-1287 |
| Sir Thomas de Clare, Lord of Thomond | |
| B: | Abt 1245 |
| D: | 1287 |
| Juliana FitzMaurice Abt 1262-1300 |
| Juliana FitzMaurice | |
| B: | Abt 1262 |
| D: | 1300 |
|
| Sir Richard de Clare, 5th Earl of Hertford 6th Earl of Gloucester | |
| B: | 1222 |
| D: | 1262 |
| Maud de Lacy -Yes, date unknown |
| Maud de Lacy | |
| D: | Yes, date unknown |