List of 3 ancestors found in 40 iterations (3 distinct persons and 3 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Otto Duesberg (22/04/1713-21/04/1784)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Jean-Pierre Duesberg (06/03/1687-)
3Marie-Elisabeth von Lohn (~1685-)