List of 21 ancestors found in 40 iterations (21 distinct persons and 21 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 - 4 person(s) on 8 (4 distinct persons)
Generation 4 - 4 person(s) on 16 (4 distinct persons)
16Henri Lambert (~1660-22/01/1722)
17Anna Duchesne (09/06/1660-30/12/1752)
24Jean Corbiaux (03/09/1656-1728)
25Dieudonnée Willeme (~1672-1728)
Generation 5 - 4 person(s) on 32 (4 distinct persons)
Generation 6 - 2 person(s) on 64 (2 distinct persons)