I'm a descendant of the free mullato, Maglorie Couvillion that lived in Pierre's househould on the 1850 census. I was told by my deceist father that we are related to the Couvillions. Helene Couvillion also was owned by a Couvillion. She was sold to a Joseph Ducote. I have the Bill of Sale. I haven't had much time to do further research on this subject. I'm researching several lines in LA./MI.