Family: Gilbert III Earl of Gloucester De Clare / Joan Princess of England (F25014)
m. 30 Apr 1290Richard I Earl of Gloucester De Clare (1222-1262) 
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Maud Countess De Lincoln De Lacy (1220-1287)
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Isabel De Clare (1238-1271)  |
| Thomas Lord of Thomond De Clare (1245-1287) |
| Rohese De Clare (1252-1300) |
| Edward I Plantagenet King Of England (1239-1307)
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| Eleanor Of Castile, Queen Of England (1240-1290)
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| John De Botetourt (1266-1324) |
| Eleanor of England (1269-1298) |
| Margaret of England (1275-1333) |
| Elizabeth Plantagenet (1282-1316) |
| Edward II King of England (1284-1324) |
| Joan Princess of England (1265-1307)
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| Gilbert III Earl of Gloucester De Clare (1243-1295)
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| Margaret de Clare (1292-1342) |
| Elizabeth De Clare (1295-1360) |