- Pierre Prince Of France
Birth - 1251 - , Paris, Seine, France - Hugh de Dutton
Birth - about 1251 - Of, Dutton, Cheshire, England - Henry Grey
Birth - about 1251 - Of, , Fife, Scotland - William de Baliol
Birth - about 1251 - Bernard Castle, Gainford, Durham, England - Gwladys "Ddu" Verch Llewelyn
Death - 1251 - Windsor, Berkshire, England - Sybil de Beauchamp
Birth - about 1251 - Of, Elmley Castle, Worcestershire, England - Idoine de Camville
- Maud de Berkeley
Birth - about 1251 - Of, Berkeley, Gloucestershire, England - Eleanor de Warenne
Birth - 1251 - , Warren, Sussex, England - Margery (Mary) La Zouche
Birth - about 1251 - Of, CLAVERING, Essex, England - Robert Massey
Birth - about 1251 - Of, , Cheshire, England - Mrs-John Fitzbernard
Birth - 1251 - Of, , Northamptonshire, England - Maud D' Eiville (Walton)
Birth - about 1251 - Of Ellesmere, Shropshire, England - Emma de Cauz
- Eleanor (unknown)
- Beatrice Mrs. Holtby
- Ralph de Stourton
Birth - about 1251 - Of, STOURTON, Wiltshire, England - Humphrey Beauchamp
Birth - about 1251 - Of, Rhyme, Dorsetshire, England - Ralph Vernon
Birth - about 1251 - <, Shipbrook, Cheshire, Eng> - Galfridus (Geoffrey) Le Despencer
- Bouchard D' Avesnes
- Ada Baliol
- Jolan, Princess Of Hungary
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