Augustine De Coetquen 
Augustine De was born on February 24th, 1723. She died at the age of 23 on June 3rd, 1746.General Notes
SOURCES: "Ancestors of Valery Giscard d'Estaing" and "Ancestors/Descendants of "Jean d'Aubigne (d'Aubigny) and Catherine de l'Estaing" http://www.geneastar.org.
Augustine De and Louis III De were married in a religious ceremony on December 29th, 1744.