Jean was born in 1217, the son of Pierre I de Dreux and Alix de Thouars. The place is not known.
He died on 08 OCT 1286 in Château de l'Isle, Marzan, Roche-Bernard, Vannes, Morbihan, Bretagne, France .
His wife was Blanche de Champagne, who he married on 16 JAN 1235/36. The place has not been found. Their eight known children were Jean II (1239-1305), Pierre (1241-1268), Alix (1243-1288), Thibaut (1245-1246), Thibaut (1247-?), Aliénor (1248-?), Nicolas (1249-1251) and Robert (1251-1259).
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Jean I de Bretagne |
Pierre I de Dreux |
Robert II de Dreux |
Robert I de Dreux |
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Agnès de Baudément |
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Yolande de Coucy |
Raoul I de Boves |
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Agnès de Hainault |
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Alix de Thouars |
Guy de Thouars |
Geoffroy IV de Thouars |
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Ǽnor de Lusignan |
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Constance de Bretagne |
Conan IV de Bretagne |
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Marguerite de Northumberland |
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| Event | Date | Details | Source | Multimedia | Notes | ||
|---|---|---|---|---|---|---|---|
| Birth | 1217 |
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| Death | 8 OCT 1286 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
|---|---|---|---|---|---|---|
| Nobility Title | FROM 1237 TO 1286 | duc de Bretagne | ||||
| Nobility Title | 1268 | comte de Richmond |