Roger the Poitevin Anglo-Norman aristocrat (1065–1123) Parents Mabel de Bellême Roger de Montgomerie, 1st Earl of Shrewsbury Children Adelbert III van La Marche Poncia of La Marche Siblings Arnulf de Montgomery Hugh of Montgomery, 2nd Earl of Shrewsbury Robert of Bellême, 3rd Earl of Shrewsbury Philip de Montgomery Sibyl of Montgomery Matilda de Montgomery Roger III de Montgomery Partners Almodis of La Marche
