Pierre Giscard
Pierre was born in 1770.  He died at the age of 85 in 1855.

 Marie Louise De Julien De Mories
Marie Louise De Julien De was born in 1772.

 Marie Barthelemy Martial Giscard
Marie Barthelemy Martial was born on July 7th, 1796 in Marvejols, France.  He died at the age of 68 on May 2nd, 1865 in Paris, France.