Richard, Count of Étampes Count of Vertus and Étampes (1395–1438) Parents Joan of Navarre John V, Duke of Brittany Children Marie de Bretagne Catherine de Bretagne Francis II Siblings Marie of Brittany, Lady of La Guerche Margaret of Britain Blanche of Brittany John V Arthur III, Duke of Brittany Jeanne de Bretagne Partners Marguerite, Countess of Vertus
