List of 7 ancestors found in 40 iterations (7 distinct persons and 7 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Henri Boulvin (13/10/1835-15/08/1908)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Constantin Boulvin (26/02/1800-15/01/1880)
3Marie Pierson (26/04/1800-27/07/1864)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Walter Boulvin (27/04/1772-08/07/1845)
5Charlotte Coulon (~1774-10/12/1852)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Lambert Boulvin (13/03/1737-12/05/1814)
9Marie Yernaux (02/11/1745-12/03/1774)