1222 - 1262 (39 years)
| Gilbert de Clare 1243-1295 |
| Gilbert de Clare | |
| B: | 02 Sep 1243 |
| Christchurch, Hampshire, England | |
| D: | 07 Dec 1295 |
| Monmouth, Monmouthshire, Wales | |
 | Joan Plantagenet 1272-1307 |
| Joan Plantagenet | |
| B: | Apr 1272 |
| Acre, Palestine | |
| M: | 30 Apr 1290 |
| Westminster Abbey, Westminster, Middlesex, England | |
| D: | 23 Apr 1307 |
| Clare Castle, Clare, Ireland | |
| Christiana de Mowbray Abt 1305-1362 |
| Christiana de Mowbray | |
| B: | Abt 1305 |
| Kirklington, Yorkshire, England | |
| D: | 25 Dec 1362 |
| Holland, Lancashire, England | |
| William Plumpton Abt 1295-1362 |
| William Plumpton | |
| B: | Abt 1295 |
| Plumpton, Yorkshire, England | |
| D: | 1362 |
| Berwick-Upon-Tweed, Northumberland, England | |
| John de Mowbray 1310-1361 |
| John de Mowbray | |
| B: | 29 Nov 1310 |
| Yorkshire, England | |
| D: | 1361 |
| Alexander de Mowbray Abt 1314-Abt 1391 |
| Alexander de Mowbray | |
| B: | Abt 1314 |
| Yorkshire, England | |
| D: | Abt 1391 |
| 8th Baron Mowbray John de Mowbray 1286-1322 |
| 8th Baron Mowbray John de Mowbray | |
| B: | 04 Sep 1286 |
| England | |
| D: | 23 Mar 1322 |
| York, Yorkshire, England | |
| Aline de Braose 1291-Bef 1331 |
| Aline de Braose | |
| B: | 1291 |
| England | |
| D: | Bef 20 Jul 1331 |
| Bramber, Sussex, England | |
| Rose de Clare Abt 1255-Aft 1316 |
| Rose de Clare | |
| B: | Abt 1255 |
| England | |
| D: | Aft 1316 |
| Hovingham, Yorkshire, England | |
| 7th Baron Mowbray Roger de Mowbray 1254-1297 |
| 7th Baron Mowbray Roger de Mowbray | |
| B: | 1254 |
| Yorkshire, England | |
| D: | 21 Nov 1297 |
| Ghent, Belgium | |
|
| 6th Earl of Gloucester Richard de Clare 1222-1262 |
| 6th Earl of Gloucester Richard de Clare | |
| B: | 04 Aug 1222 |
| Clare Castle, Clare, Suffolk, England | |
| D: | 14 Jul 1262 |
| Waltham, Kent, England | |
