A treaty with the English which secured the district of Agenais for France was followed by a feudal war in Guienne.
AGENAIS, or Agenois, a former province of France.
Having in general shared the fortunes of Aquitaine during the Merovingian and Carolingian periods, Agenais next became an hereditary countship in the part of the country now called Gascony (Vasconia).
The marriage of Eleanor of Aquitaine with Henry Plantagenet in 1152 brought it under the sway of England; but when Richard Cceur-de-Lion married his sister Joan to Raymund VI., count of Toulouse, in 1196, Agenais formed part of the princess's dowry; and with the other estates of the last independent count of Toulouse it lapsed to the crown of France in 1271.
During the wars between the English and the French in the 14th and 15th centuries, Agenais was frequently taken and retaken, the final retreat of the English in 1453 at last leaving the king of France in peaceable possession.
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