| Sir Gilbert De Clare |
| Sir Gilbert De Clare | |
| B: | 2 Sep 1243 |
| D: | 7 Dec 1295 |
| Monmouth Castle, Monmouth, Monmouth, Wales, United Kingdom | |
| Joan Plantagenet |
| Joan Plantagenet | |
| B: | Abt Apr 1272 |
| Acre, Holy Land, Jerusalem, `Abbasiya, , HaMerkaz, Israel | |
| M: | 30 Apr 1290 |
| London, Greater London, England, United Kingdom | |
| D: | 23 Apr 1307 |
| Clare, Suffolk, England, United Kingdom | |
| Lord of Thomond Thomas De Clare |
| Lord of Thomond Thomas De Clare | |
| B: | 1245 |
| D: | Yes, date unknown |
| Juliane De Windsor |
| Juliane De Windsor | |
| M: | 1275 |
| D: | 1300 |
| Earl of Gloucester Richard De Clare |
| Earl of Gloucester Richard De Clare | |
| B: | 4 Aug 1222 |
| D: | 15 Jul 1262 |
| Ashenfield Manor, Waltham, Canterbury, Kent, England, United Kingdom | |
| Maude De Lacy |
| Maude De Lacy | |
| M: | 25 Jan 1237 |
| D: | 1289 |
| Earl of Carrick Robert Bruce |
| Earl of Carrick Robert Bruce | |
| B: | Jul 1243 |
| , , Scotland, United Kingdom | |
| D: | 1304 |
| Palestine, Middle East | |
| Marjorie, of Carrick |
| Marjorie, of Carrick | |
| B: | 1252 |
| Carrick, Argyll, Scotland, United Kingdom | |
| M: | 1271 |
| Turnberry Castle, Scotland, United Kingdom | |
| D: | 1292 |
| Isabel De Clare |
| Isabel De Clare | |
| B: | 8 Nov 1226 |
| D: | 1254 |
| Earl of Carrick Robert Bruce |
| Earl of Carrick Robert Bruce | |
| B: | 1210 |
| Annandale, Annan, Dumfries, Scotland, United Kingdom | |
| M: | 12 May 1240 |
| D: | 31 May 1295 |
| PrioryLochmaben, Dumfriesshire, Scotland, United Kingdom | |
| Earl of Gloucester Gilbert De Clare |
| Earl of Gloucester Gilbert De Clare | |
| B: | 1180 |
| D: | 25 Oct 1230 |
| Penrose, Brittany, France | |
| Lady Isabella Marshal |
| Lady Isabella Marshal | |
| B: | 9 Oct 1200 |
| Pembroke Castle, Wales, United Kingdom | |
| M: | 9 Oct 1217 |
| Tewkesbury Abbey, Tewkesbury, Gloucestershire, England, United Kingdom | |
| D: | 17 Jan 1240 |
| Berkhamsted Castle, Berkhamsted, Hertfordshire, England, United Kingdom | |
|
| Countess of Gloucester Amicia | |
| D: | 1225 |
| Earl of Hertford Richard De Clare |
| Earl of Hertford Richard De Clare | |
| B: | 1153 |
| D: | 1217 |