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)
1Henri Thirion (12/07/1729-02/03/1791)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Nicolas Thirion (~1695-18/03/1747)
3Marie Batter (~1695-20/01/1738)