Origin and history of the Montgomerys : Comtes de Montgomery, Ponthieu, Alençon, and La Marche : Earls of Arundel, Chichester,

Ancestry.com. Origin and history of the Montgomerys : Comtes de Montgomery, Ponthieu, Alençon, and La Marche : Earls of Arundel, Chichester, [database on-line]. Provo, UT: Ancestry.com Operations Inc, 2005.Original data: Montgomery, B. G. de. Origin and history of the Montgomerys : Comtes de Montgomery, Ponthieu, Alençon, and La Marche : Earls of Arundel, Chichester, Shrewsbury, Montgomery, Pembroke, Lancaster, Mercia, Eglinton and Mountalexander, Princes de Bellême, Marquis de Montgomery de Lorges. Edinburgh: W. Blackwood and Sons, 1948.