Peter I, Duke of Brittany
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Peter I, also known as Peter Mauclerc, was Duke of Brittany jure uxoris from 1213 to 1221, and regent of the duchy for his minor son John I from 1221 to 1237. As duke he was also 1st Earl of Richmond from 1218 to 1235.
The original sealed copy of the declaration of forfeiture against Peter for rebellion (1230)
Braisne Abbey in Aisne, Saint-Yved de Braine, the necropolis of the counts of Dreux where Peter I is buried
Counts of Dreux
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The Counts of Dreux were a noble family of France, who took their title from the chief stronghold of their domain, the château of Dreux, which lies near the boundary between Normandy and the Île-de-France. They are notable for inheriting the Duchy of Brittany through Pierre de Dreux's marriage to Alix de Thouars in the early 13th century.
Image: Robert 3 count of dreux
Image: Robert IV of Dreux
Image: Catherine de medici widow clouet