List of 20 ancestors found in 40 iterations (20 distinct persons and 20 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 - 5 person(s) on 16 (5 distinct persons)
Generation 5 - 4 person(s) on 32 (4 distinct persons)
32Jan Martens (~1744-)
33Carolina Vrombaut (~1746-)
46Carolus Cardon (~1788-25/11/1881)
47Isabella Van Mol (22/10/1802-02/08/1885)
Generation 6 - 2 person(s) on 64 (2 distinct persons)