- Elisabeth Isabelle De Dreux
- Dedammartin Simon
Death - 1239 - Castile, Spain - Simon De Dammartin
- Robert De Courtenay
- Isabel De Cornwall
Birth - about 1239 - Of, Cornwall, Cornwall, England - Richard Marshall
- Edward I "Longshanks" England
- Simon VI De Montfort
Birth - 1240 - Near, Brindisi, Apulia, Italy - Agnes Or Anna, France
- Nicholas Plantagenet
Death - January 1240 - Berkhampstead, Hertfordshire, England Birth - January 1240 - Berkhampstead, Hertfordshire, England - Jean II Duke Brittany
- 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)
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