During the Hundred Years' War, the castellans of Castelnaud owed their allegiance to the Plantagenets, the sieurs de Beynac across the river, to the king of France.
In the course of the Hundred Years' War, the castellans of Castelnaud pledged their loyalty to both the Plantagenets and the sieurs de Beynac, who were situated across the river, as well as to the French monarch.