Jean I De Montmorency
Jean I De was born about 1292.  He died in June 1325.

 Jeanne De Calletot
Jeanne De was born about 1292.

 Isabeau De Montmorency
Isabeau De was born about 1310.  She died after March 2nd, 1341.

 Mathieu De Montmorency
Mathieu De was born about 1320.  He died on June 29th, 1360.

 Charles De Montmorency
Charles De was born in June 1325.  He died at the age of 56 on September 11th, 1381.