- William De Cornwall
Birth - about 1288 - , Burford, Shropshire, England - Ralph de Standish
- Margery Brereton
Birth - about 1288 - Of Brereton, Cheshire, England - Margaret Ludham
Birth - about 1288 - Of, Baconsthorpe, Norfolk, England - Sir Henry De Trafford
- Maud (Matilda) de Burgh
Birth - about 1288 - Of, , Gloucestershire, England - John de Vaux
- Mary Plantagenet
Birth - about 1288 - Of, Grismond Castle, Monmouthshire, England - Jean D' Avesnes
Birth - about 1288 - Of, Valenciennes, Nord, France - Emme NN
- Elizabeth Joan Valletort
Birth - about 1288 - Of, Tawton, Modbury, Devonshire - Christiane de Segrave
Birth - about 1288 - Of, , , England - Walter De Tyldenne
Birth - 1288 - HOLYNBOURNE, HAMPS. - Marina De Toledo
Birth - about 1288 - Of Toledo, New Castile, Spain - Geoffrey De Cornwall
Birth - about 1288 - , Burford, Shropshire, England - Robert Blount
- Thomas de Burgh
Birth - about 1288 - , Ulster Province, Ireland - Ela (Elena, Helene) Zouche
Birth - 1288 - Of, Ashby, Leicestershire, England - Guy De Montfort
Death - 1287/88 - , , Sicily, Italy - Ida de Hastings
- Mahaut (Maud) de Brabant
- Juan Garcia De Toledo
- Gerard de Lisle
- Petronilla (Pernel) de Lacy
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