- Isabella de Montacute
Birth - about 1255 - Of, Cossington, Somersetshire, England - Isabel de Beauchamp
- Sarah de Beauchamp
Birth - about 1255 - Of, Elmley Castle, Worcestershire, England - Eva Braose
- Isabel (unknown)
- Jeanne D' Avesnes
Birth - about 1256 - Of, Valenciennes, Nord, France - Emma Chaworth
Birth - about 1256 - Of Stoke Bruern, Nrthnt, Engl - Eustace Fitzhugh
- Mancia Garcia de Soto-Mayor
Birth - about 1256 - Of, Toledo, New Castile, Spain - Maria Cavieres
Birth - about 1256 - Of, New Castile, Spain - Berta Ferrars
Birth - about 1256 - Of, Thetford, Norfolkshire, England - Margery de Lacy
- Elizabeth Venables
Birth - about 1256 - , Kinderton, Cheshire, England - Alice de Lindsay
Birth - about 1256 - Of Lamberton, Mordington, Berwickshire, Scotland - Christiana Bruce
Birth - about 1256 - Of, ANNANDALE, Dumfrieshire, Scotland
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