Here is my position. I am a direct descendent via Sophie Labadie of Antoine Descombes dit Labadie the son of Antoine Louis and Marie the Sauteuse woman.
I have the baptismal record of the male Panis slave born in 1746, and his inhumation record in 1792. I also have them for all the children of Marie and for her as well. The first 3 of them were christened as Descombes dit Labadie. The rest were christened as Descomps dit labadie.
In addition there were several census figures taken from 1750 to about 1780. They show that Antoine louis ontained the slave man from his father. They also show that Marie did not raise the 5 children of Angelique Campau. They also show that in the 1780 time perion Antoine owned 1 male slave and 1 female slave. The male slave's death record is in 1792. Mannon died much later. She was there with the children from the time the oldest Joseph was 6, being borne in April of 1769. When Marie died he was turning 15. The rest were much younger of course. Marie was christened in 1783 in the house of "BADICHON". This is the earliest church record of the name Badichon that I can find. Her burial record is in February of 1784 after the 1 January 1784 burial of her newborne child.
In 1783 summer a slave child was christened in Antoine Louis's household (not a child of Antoine) in "L'EGLISE DE L'ASSOMPTION DE LA POINT DE MONTREAL DU DETROIT". This is also known as Mission Huronne de la Pointe de Montreal du Detroit and is of course the parent church from which Assumption church and parish were formed. All records (in French) have been assumed by Assumption.
His total was 23 children, 5 by Angelique Campau, 8 by Marie, and 10 by Charlotte Barthe who left the raising of the indian children to Mannon.
Articles exist that claim he had 33 children. The only was that could have occurred is if Mannon had 10. It's a proven fact that she had at least 1. I have no proof she had 9 more. There was a time period from 1775 to 1792 when she co-existed in the Labadie house with the slave. Anything can happen in 17 years. I do know that the Badichon children were treated badly from my grandmother's stories passed on to me, as if they were also being treated as slaves.
I have an ancestral tree of most of the line from Antoine the son and some of the others as well but my computer is not connected to the internet. I use my son's for that. If yuo can handle Gedcom format, I can produce a floppy that you may be able to read. Try WWW.GENFORUM.GENEALOGY.COM
LABADIE FORUM. Truy also Ancestry.com and ask for Antoine Labadie. There is lots there.
The internet abounds with Pontiac data, but if you are looking for a tie-in to Marie you will have to find it in Detroit. I havent found it yet. Just do a search for Pontiac and filter out cars, cities etcetera. You'll get more than you asked for. Try also Fort Poinchartrain. the history of the fort includes data on him.
In Detroit access the Denisson records. They are considered as the top source for any Detroit data.
If you can read French then go to the fort records and the church records of Ste Anne de Detroit for births, marriages, deaths. as well as Assumption church under the previous 2 names. Happy hunting. Gerry