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 - 4 person(s) on 8 (4 distinct persons)
Generation 4 - 4 person(s) on 16 (4 distinct persons)
26Martin Quimacq (~1650-16/10/1701)
27Marie Dulait (~1650-18/06/1693)
30Jean Bourgeois (~1630-23/12/1708)
31Jeanne Dupont (05/03/1634-18/12/1708)