Jean I De+ Brienne & Berenguela De+ Castilla 
Jean I De+ and Berenguela De+ were married in a religious ceremony in 1223 in Burgos, Spain. They had three sons and a daughter, named Jean II De+, Louis De+, Alphonse De+ and Marie De+.
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Personal Details
Jean I De+ Brienne
Jean I De+ was born about 1186 in Acre, Palestine. He died on March 21st, 1237 in Constantinople, Turkey.
Berenguela De+ Castilla
Berenguela De+ was born about 1196 in Leon, Spain. She died on April 12th, 1237 in Constantinople, Turkey.
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Children
Jean II De+ Brienne
Jean II De+ was born about 1224 in Acre, Palestine. He died in 1296 in Brienne-le-Chateau, Champagne, France.