List of 17 ancestors found in 40 iterations (17 distinct persons and 17 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Henri Messiaen (27/06/1885-12/06/1954)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Louis Messiaen (23/09/1835-31/05/1901)
3Estelle Boulvain (16/10/1853-07/03/1917)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Gaspard Messiaen (1781-1838)
5Jeanne Bouhours (1800-1870)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Jean Messiaen (~1738-)
9Marie Seynaeve (~1753-)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
16Gaspard Messean (~1708-)
17Marie Spriet (~1710-)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
32Audomar Messiaen (04/12/1670-25/07/1751)
33Marie Liagre (~1680-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
64Jean Messiaen (17/01/1638-10/12/1711)
65Antoinette Houzet (~1642-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
128Roland Messiaen (~1608-)
129Guillemette Lebrun (~1610-)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
256Adrien Messiaen (~1578-)
257Marie Decottignies (~1580-)