Guillaume was born in 1182, the son of Guillaume III des Barres and Amicie de Beaumont-le-Roger. The place is not known.
He died in 1250 in Nicosia, Republic of Cyprus/Turkish Republic of Northern Cyprus .
His wife was Béatrice de Châlon, who he married in ABT 1200. The place has not been found. Their two known children were Marie (c1205-<1239) and Jean I (?-1288).
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Guillaume IV des Barres |
Guillaume III des Barres |
Guillaume II (I) des Barres |
Guillaume I des Barres |
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Helissente de Chaumont |
Galéran de Chaumont |
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Ermesinde de Sens |
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Amicie de Beaumont-le-Roger |
Robert III de Beaumont-le-Roger |
Robert II de Beaumont-le-Roger |
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Amicie de Montfort-le-Hédé |
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Pernelle de Grandmesnil |
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| Event | Date | Details | Source | Multimedia | Notes | ||
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| Birth | 1182 |
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| Death | 1250 |
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| Attribute | Date | Description | Details | Source | Multimedia | Notes |
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| Nobility Title | comte de Chalon-sur-Saône |