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)
1Gismond de Marck (1055-1124)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Nocher d'Ardres (1031-1097)
3Mahaut de Thérouanne (1038-1094)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Wathier d'Ardres (0994-1049)
5Blandine de Bournonville (1010-1056)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Alexandre de Bournonville (0987-1043)
11Jehanne de Guînes (0991-1043)