Princely Power in Late Medieval France: Jeanne de Penthièvre and the War for Brittany

Jeanne de Penthièvre (c.1326–1384), duchess of Brittany, was an active and determined ruler who maintained her claim to the duchy throughout a war of succession and even after her eventual defeat. This in-depth study examines Jeanne's administrative and legal records to explore her co-rule with her husband, the social implications of ducal authority, and her strategies of legitimization in the face of conflict. While studies of medieval political authority often privilege royal, male, and e...