- Jean II Duke Brittany
- Simon VI De Montfort
Birth - 1240 - Near, Brindisi, Apulia, Italy - Agnes Or Anna, France
- William De Ferrers [Sir Knight]
Birth - about 1240 - Of, Groby, Leicestershire, England - Anne Le Despenser
Birth - about 1240 - Of, Loughborough, Leicestershire, England - Isabel Beauchamp
Birth - about 1240 - Gloucestershire, England, Eng - Nicole De Albini or D'aubi
- Pedro II The (Family name unknown)
- Margaret Princess Of England
- Blanche Princess Of France
- Lawrence De Cornwall
Birth - about 1241 - Of, Cornwall, Cornwall, England - Roger Clare
- William De Fiennes
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