House of Bellême Lords of Bellême and Montgomery Earls of Shrewsbury Ancient arms
House of Bellême Lords of Bellême,Montgomery and Abbeville Viscounts of Hiemois Counts of Ponthieu
Cadet Branches
House of Bellême-La Marche Lord of Bowland and Eye Counts of La Marche Issued from Roger de Poitou, 3rd son of Roger de Montgomery, 1st Earl of Shrewsbury
House of Bellême-Alençon Lords of Saosnois and Le Mêle-sur-Sarthe Counts of Alençon Issued from Jean, 2nd son of Guillaume III, Count of Ponthieu