Jean I De Bethune
Jean I De was born about 1315.  He died in 1373.

 Jeanne De Courcy
Jeanne De was born about 1335.

 Jeanne De Bethune
Jeanne De was born in 1351.

 Jean II De Bethune
Jean II De was born about 1368.  He died  due to Killed in battle. on October 25th, 1415 in Azincourt, France.

 Robert De Bethune
Robert De was born about 1370.  He died in 1408.