List of 15 ancestors found in 40 iterations (15 distinct persons and 15 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
Generation 3 - 6 person(s) on 8 (6 distinct persons)
8Henri Guissard (~1718-)
9Marie Collard (12/04/1708-22/03/1756)
10Jacques Marion (05/11/1714-04/12/1788)
11Marie-Jeanne Drouba (06/08/1717-)
12Pierre Charlier (~1718-12/08/1774)
13Jeanne Devaux (~1720-04/02/1778)
Generation 4 - 2 person(s) on 16 (2 distinct persons)