List of 19 ancestors found in 40 iterations (19 distinct persons and 19 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Marie Derwa (1838-17/07/1901)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Jean Derwa (08/05/1802-21/07/1862)
3Rosalie Sera (07/03/1811-12/02/1858)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
4Pierre Derwa (02/05/1763-)
5Marie Derwa (23/04/1765-18/11/1843)
6Jean Sera (~1781-)
7Marie Honlet (~1783-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Libert Derwa (~1733-19/11/1800)
9Marie Laurent (23/03/1720-25/10/1791)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
18Jean Laurent (~1690-)
19Anne Piette (08/1692-13/10/1746)
Generation 5 - 4 person(s) on 32 (4 distinct persons)
36Sébastien Laurent (~1660-)
37Jeanne Guilick (~1662-)
38François Piette (~1662-)
39Anne Jamar (12/03/1656-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
78Marc Jamar (~1626-)
79Catherine Dupont (~1628-26/02/1665)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
158Bartholomé Dupont (~1598-)
159Marguerite Dupont (~1600-)