Peter I, also known as Peter Mauclerc and Peter of Dreux, reigned as Duke of Brittany alongside his wife Alix from 1213 to 1221, and was regent of the duchy for his minor son John I from 1221 to 1237.
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
The now-extinct title of Earl of Richmond was created many times in the Peerage of England. The earldom of Richmond was initially held by various Breton nobles; sometimes the holder was the Breton duk
Richmond Castle first built by Alan Rufus
The Honour of Richmond in North Yorkshire, England
Henry Tudor (Henry VII), last Earl of Richmond