My research shows that a Nicolas Valentino MARCHAL (b. 1781, d. 18 Jul 1844) married a Jeanne Marie Reiniche (b. 1793). I do not have any children for them, however, it would make sense if Nicolas and Jeanne Marie had a daughter named Marie MARCHAL. My research and other contributers to it differ. I have that Nicolas V. MARCHAL married a woman named, Mary Ann (unknown surname). They had the following children with MARCHAL surnames: Jacque, Nicholas, George, Joseph, John, Frances, Teresa, Catherine, Jane and Mary.
I have to say that this part of the genealogy I'm researching is so far the shakiest (and oldest generation) and have few facts to back up.
Do you have a PEQUIGNOT or LACHEY surnames within your ancestors?