List of 7 ancestors found in 40 iterations (7 distinct persons and 7 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1François de Serret (1767-1849)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2François de Serret (1739-1799)
3Marie de Willaeys (1744-1802)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
4Charles de Serret (1694-1746)
5Marie d'Hoffay (1707-1771)
6François de Willaeys (~1714-)
7Anne Vleys (~1716-)