Pierre was a son of
Bertrand III de Montferrand and Isabelle de Preissac, dame of
Landiras. Landiras is about 50 kilometers south-southeast from
Saint-Louis-de-Montferrand. He married
Mary of Bedford, illegitimate daughter of
John of Lancaster, Duke of Bedford. Mary was a granddaughter of
Henry IV of England. Pierre received 500 pounds worth of French coinage (livre tournois) and land from the Duke of Bedford as a dowry. After being executed in 1454, he was succeeded by his son François. ==References==