| # |
Last Name, Given Name(s)  |
Person ID |
Born/Christened |
Location |
| 1 |
 De Clare, Lord of Thomond Thomas | I3220 | b. 1245 | |
| 2 |
De Clare, Earl of Hertford Roger | I2653 | b. 1115 | |
| 3 |
De Clare, Richard FitzGilbert | I2406 | b. 1035 | Normandy, France  |
| 4 |
De Clare, Earl of Hereford Richard FitzGilbert | I2432 | b. 1100 | |
| 5 |
De Clare, Earl of Pembroke Richard FitzGilbert | I2558 | b. 1130 | |
| 6 |
De Clare, Earl of Hertford Richard | I2652 | b. 1153 | |
| 7 |
De Clare, Earl of Gloucester Richard | I2650 | b. 4 Aug 1222 | |
| 8 |
De Clare, Margaret | I3219 | | |
| 9 |
De Clare, Margaret | I1513 | b. 1292 | |
| 10 |
De Clare, Countess of Pembroke Isabel Fitzgilbert | I2557 | b. 1174 | |
| 11 |
De Clare, Isabel | I3578 | b. 8 Nov 1226 | |
| 12 |
De Clare, Count of Eu Godfrey | I2408 | b. 962 | |
| 13 |
De Clare, Lord of Clare Gilbert FitzRichard | I2405 | b. 1066 | |
| 14 |
De Clare, Earl of Pembroke Gilbert FitzGilbert | I2559 | b. 1115 | |
| 15 |
De Clare, Count of Brionne Gilbert | I2407 | b. | , , , France |
| 16 |
De Clare, Earl of Gloucester Gilbert | I2651 | b. 1180 | |
| 17 |
De Clare, Sir Gilbert | I1514 | b. 2 Sep 1243 | |
| 18 |
De Clare, Elizabeth | I2649 | b. 16 Sep 1295 | Tewkesbury, Gloucestershire, England, United Kingdom |
| 19 |
De Clare, Aveline | I2430 | | |
| 20 |
De Clare, Sister Alice | I2529 | | |
