List of 9 ancestors found in 40 iterations (9 distinct persons and 9 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)
4Constantin Boulvin (26/02/1800-15/01/1880)
5Marie Pierson (26/04/1800-27/07/1864)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
Generation 4 - 2 person(s) on 16 (2 distinct persons)