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)
1Audomar Messiaen (04/12/1670-25/07/1751)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Jean Messiaen (17/01/1638-10/12/1711)
3Antoinette Houzet (~1642-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Roland Messiaen (~1608-)
5Guillemette Lebrun (~1610-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Adrien Messiaen (~1578-)
9Marie Decottignies (~1580-)