Family: Latin Emperor of Constantinople, King of Jerusalem Jean de Constantinople de Brienne, II / Agnes de Beaumont (F3949)
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 | Count Erard de Brienne, II (1130-1191)
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 | Agnes de Montfaucon (1148-1186) |
| Latin Emperor of Constantinople, King of Jerusalem Jean de Constantinople de Brienne, II (1168-1237)
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| Agnes de Beaumont (1270-1270) |