John (Jean) de Brienne , Byzantine Emperor
John (Jean) de was born about 1148 in Brienne-le-Chateau, Champange, France.  He died in As a Franciscan Friar in Constantinople, Turkey.  He was buried in King of Jerusalem 1210-1212 ruled from Acre since Saracens had Jerusalem.

 Berenquela Princess of Leon And Castile
Berenquela Princess of Leon And was born in 1198 in Leon, Spain.  She died at the age of 39 on April 12th, 1237 in Constantinople, Turkey.

 Alphonse d'Acre de Brienne , Count d'Eu
Alphonse d'Acre de was born about 1223 in Brienne-le-Chateau, Aube, Champagne, France.  He died on August 25th, 1270 in Tunis, Tunisia, North Africa.

 Jean de Brienne , Grand Butler In France
Jean de was born about 1225 in Acre, Palestine.  He died in 1296.

 Louis of Acre de Brienne , Vicomte Beaumont
Louis of Acre de was born in 1227 in Acre, Palestine.  He died at the age of 70 on September 1st, 1297 in Beaumont-le-Vicomte, Maine, France.