Pierre De Balzac
Pierre De was born about 1475.  He died before 1540.

 Anne Malet-Graville
Anne was born about 1495.

 Guillaume De Balzac
Guillaume De was born on December 15th, 1517 in Marcoussis.  He died at the age of 38 in 1555 in Montreuil.

 Thomas De Balzac
Thomas De was born about 1520.