Marguerite de Thouars was born 1285 in Thouars to Guy II de Thouars (1250-1308) and Marguerite de Brienne (1271-1310) and died 17 January 1329 of unspecified causes. She married Guillaume VI de Parthenay (c1257-1322) 1295 JL . William I of England (1027-1087), Henry II of England (1133-1189), Hugh Capet (c940-996), Alfred the Great (849-899)/s, Charlemagne (747-814)/s, Hugh Capet (c940-996)/s, William I of England (1027-1087)/s, Rollo of Normandy (860-932)/s.
Children
| Name | Birth | Death | Joined with |
| Guy I de Parthenay (1305-1363) | 1305 | 1363 | Guyonne de Laval Jeanne d'Amboise (1320-c1367) |
Footnotes (including sources)
| ‡ General |