List of 27 ancestors found in 40 iterations (25 distinct persons and 27 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
Generation 3 - 8 person(s) on 8 (8 distinct persons)
Generation 4 - 8 person(s) on 16 (6 distinct persons)
16François-Joseph Drion (11/11/1756-17/11/1816)
17Marie Zoude (21/04/1759-27/08/1838)
20 (2)Édouard Pirmez (29/11/1767-07/03/1806)
21 (2)Rosalie Wyart (23/03/1770-03/09/1834)
22Ferdinand Drion (21/02/1766-27/10/1829)
23Marie-Catherine Brion (21/08/1784-27/05/1815)
28 (2)Édouard Pirmez (29/11/1767-07/03/1806)
29 (2)Rosalie Wyart (23/03/1770-03/09/1834)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
Generation 6 - 2 person(s) on 64 (2 distinct persons)