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Related to Guienne: Guyenne
Gui·enneor Guy·enne (gē-ĕn′)
A historical region and former province of southwest France. Part of England after the marriage of Eleanor of Aquitaine to Henry II in 1152, it was reconquered by France in 1453.
Guienne(French ɡɥijɛn) or
(Placename) a former province of SW France: formed, with Gascony, the duchy of Aquitaine during the 12th century
a former province in SW France.