- William de Insula
- William Le Strange
- Robert Neville
Birth - about 1223 - Of Raby With Kev, Staindrop, Durham, England - Richard Hocton
Birth - about 1223 - Of Lancashire, Eng - Robert Stewart
Birth - about 1223 - Of, Tarbolton, Ayrshire, Scotland - Nicholas L. Archer
Birth - about 1223 - Of, Walsall, Staffordshire, England - Hugh Le Despencer
Birth - before 1223 - Of, Loughborough, Leicestershire, England - Thomas de Newsham Newsham
- Affonso Ii "The Fat" Prince Of PORTUGAL [TWIN] Portugal
- William de Harcourt
- John Fitzalan
Birth - May 1223 - , Arundel, Sussex, England - Philippe Auguste Ii France
- Judah ben Isaak "Sir Leon" Treves
- William Chaworth
Birth - about 1224 - Of Stoke Bruern, Nrthmp, Engl - Thomas de Valoines
- Fadrique Fernandez Prince Castile & Leon
Birth - 1224 - , Guadalajara, Guadalajara, Spain - Henry Armenters
- Henry Berkeley
Birth - about 1224 - Of, Berkeley, Gloucestershire, England - Colin Archer
Birth - about 1224 - Of, Sibbertoft, Northamptonshire, England - Geoffrey de Lusignan
Birth - about 1224 - Of, Lusignan, Vienne, France - William Brereton
Birth - about 1224 - Of, Brereton, Cheshire, England - Seigneur Raimond (Reinier) De Sabran Du Caylar
- John Cantilupe
Birth - about 1224 - Of Hambleden, Berk, Eng
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