Zij is getrouwd met Sir Maurice de Berkeley (Berkeley).
Zij zijn getrouwd
Isabel de Berkeley (born Clare de Clare, de Beauchamp)<br>Gender: Female<br>Birth: Mar 10 1263 - Monmouth, Monmouthshire, Wales<br>Marriage: May 11 1297 - Betrothed with Papal dispensation, England<br>Marriage: 1316<br>Death: 1333 - Berkley Castle, Gloucestershire, England<br>Father: Sir Gilbert 7th Earl of Gloucester and 6th Earl of Hertford de Clare (born Clare)<br>Mother: Alix Alice de Clare (born Lusignan de la Marche, de Lusignan)<br>Spouses: Guy Guy II 10th Earl of Warwick de Beauchamp (born Beauchamp)Sir Maurice de Berkeley (born Berkeley)<br>Sibling: Joan Clare de Clare
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