John/Jean de Brienne
John/Jean was born in 1168 in France.  He died at the age of 69 on March 21st, 1237 in Constaninople, Turkey.

 Berenguela of Leon
Berenguela was born in 1198 in Leon, Spain.  She died at the age of 39 on April 12th, 1237.

 Jean  of Acre de Brienne
Jean  of Acre was born in 1227.  He died at the age of 69 in 1296.