List of 25 ancestors found in 40 iterations (25 distinct persons and 25 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Albert Mertens (12/06/1879-18/03/1942)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Henri Mertens (27/12/1851-03/11/1920)
3Marie-Josèphe Erix (21/07/1851-27/02/1926)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
4Charles Mertens (05/09/1825-19/11/1901)
5Ida Van Goethem (06/01/1816-07/04/1888)
6Florent Erix (12/06/1814-09/08/1875)
7Léocadie Verheyden (1815-1885)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
8Pierre-Jean Mertens (16/06/1796-10/08/1852)
9Maria Meremans (06/02/1797-26/03/1844)
12François Erix (~1784-)
13Jeanne De Winter (~1786-)
Generation 4 - 4 person(s) on 16 (4 distinct persons)
16Michael Mertens (31/10/1771-13/07/1840)
17Maria Van Damme (16/12/1771-12/03/1827)
26Arnold ou Adrien De Winter (~1756-)
27Lucie ou Anne Wilmaers (~1758-)
Generation 5 - 4 person(s) on 32 (4 distinct persons)
32Jacques Mertens (08/11/1741-30/04/1774)
33Jeanne de Prost (14/07/1743-04/10/1801)
54Jean-Baptiste Wilmaers (~1728-1775)
55 RRRRR (~1730-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
64Pierre Mertens (11/04/1710-1774)
65Marie-Claire de Wit (28/03/1712-10/11/1777)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
128Joost Mertens (02/1679-10/03/1746)
129Catherine Verstrepen (1683-1757)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
256Pierre Mertens (10/09/1642-13/11/1723)
257Françoise Scheers (01/09/1643-09/10/1717)