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 - 4 person(s) on 4 (4 distinct persons)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
Generation 4 - 4 person(s) on 16 (4 distinct persons)
16Andreas De Huyvetter (~1591-18/12/1672)
17Maria Martens (~1592-20/11/1667)
18Jeremias Wulfram (~1585-~1623)
19Marie De Sutter (~1587-)
Generation 5 - 2 person(s) on 32 (2 distinct persons)