List of 15 ancestors found in 30 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 - 2 person(s) on 4 (2 distinct persons)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
Generation 4 - 4 person(s) on 16 (4 distinct persons)
24Gilles Mercy (~1772-)
25Marie Louvigny (~1774-)
30Antoine Collard (07/11/1776-02/10/1835)
31Marie Collignon (22/04/1779-30/07/1834)
Generation 5 - 2 person(s) on 32 (2 distinct persons)