Francois De Montmorency
Francois De was born in 1614.  He died at the age of 70 on February 25th, 1684.

 Isabelle De Harville
Isabelle De was born about 1629.  She died on October 21st, 1712.

 Leon De Montmorency
Leon De was born on October 31st, 1664.  He died at the age of 85 on March 20th, 1750.