List of 21 ancestors found in 40 iterations (21 distinct persons and 21 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 - 2 person(s) on 4 (2 distinct persons)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
Generation 4 - 4 person(s) on 16 (4 distinct persons)
Generation 5 - 4 person(s) on 32 (4 distinct persons)
32Alexandre de Monge (12/01/1698-10/09/1781)
33Marie-Pauline de Franeau (1722-1781)
36Charles van der Straten Waillet (07/01/1703-03/1759)
37Marie-Josèphe de Hamal-Brialmont (04/10/1715-17/07/1787)
Generation 6 - 4 person(s) on 64 (4 distinct persons)
Generation 7 - 2 person(s) on 128 (2 distinct persons)