Family: King John (Jean) de Brienne / Berengaria of Leon (F7579)
m. circa 1212King Baldwin III of Jerusalem (1131-1162) 
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| King Alfonso IX of Leon (1166-1230)
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Berengeria of Castile (1175-1246)
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King Fernando III of Castile (1199-1252)  |
| King John (Jean) de Brienne (1148-1237)
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| Berengaria of Leon (1191-1221)
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| Louis Viscount of Brienne (1212- ) |
| Jean de Brienne (1220-1296) |
