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 - 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)
16Louis Plainchamps (~1670-)
17Marie Thiry (~1670-31/05/1760)
18Nicolas Louis (~1665-12/11/1708)
19Marie Opsomer (25/03/1665-)
Generation 5 - 4 person(s) on 32 (4 distinct persons)