List of 13 ancestors found in 40 iterations (13 distinct persons and 13 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)
24Georges Marie Félix de Pierpont (1861-1931)
25Valentine Berthe Delame (~1863-)
30Georges Mols (20/10/1881-1881)
31Marie de Hemptinne (13/08/1887-14/02/1929)