Louis I De Rouvroy De Saint Simon
Louis I De Rouvroy De was born about 1494.  He died after May 1578.

 Antoinette De Mailly
Antoinette De was born about 1508.  She died in 1576.

 Francois De Rouvroy De Saint Simon
Francois De Rouvroy De was born about 1545.  He died on October 7th, 1620.