Marguerite de Poitiers-Valentinois was born circa 1312 to Aymar V de Poitiers-Valentinois (1270-1339) and Sibylle des Baux (c1285-c1354) and died 1380 of unspecified causes. She married Jean de Brienne (1302-1355) 31 December 1330 JL . Notable ancestors include Charlemagne (747-814), Hugh Capet (c940-996), Alfred the Great (849-899), William I of England (1027-1087). Ancestors are from France, Belgium, Germany, the United Kingdom, the Netherlands, Italy, the Byzantine Empire.
|Offspring of Marguerite de Poitiers-Valentinois and Jean de Brienne (1302-1355)|
|Louis II de Brienne (-1364)|| |
|Marguerite de Brienne (c1335-c1408)||1335||1408|| Bouchard de Vendôme (c1323-1373)|
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