| Isobel also married |
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| (1) Geoffrey FITZGEOFFREY de MANVILLE |
| c.1191-1216 |
| Titles: 2nd Earl of Essex; 4th Earl of Gloucester. |
| Famous event: Geoffrey was a signitory on the Magna Carta. |
| Father Geoffry FitzPeter, 1st Earl of Essex. |
| Mother ? |
| Isobel also married: |
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| (3) Hubert de BURGH |
| c.1160-1243 |
| Titles: 1st Earl of Kent; Justiciar of England; Constable of Dover Castle;Lord Warden of the Cinque Ports; |
| Marriage: He married 3 times. |
| Father Walter de Burgh |
| Mother ? |
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| John also married: |
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| (2) Isabella of ANGOULEME |
| c.1188-1246 |
| Family: 7 sons 7 daughters. |
| Son Richard Plantagenet. |
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