Jean de Brienne
Jean was born on June 1st, 1178 in Acre, Kingdom of Jerusalem.  He died in Constantinople, Turkey.

 Princess of Castile and Läeon Berenguela
Princess of Castile and Läeon was born in 1198 in Läeon, Spain.  She died at the age of 39 on April 12th, 1237 in Constantinople, Turkey.

 Jean II de Brienne
Jean II was born in 1225 in Courtrain, Mayenne, France.  He died at the age of 71 in 1296 in Abbey of Maubuisson, France.

 Alphonse de Brienne
Alphonse was born on June 1st, 1226.

 Louis de Brienne
Louis was born about 1235 in Acre, Palestine.