List of 9 ancestors found in 40 iterations (9 distinct persons and 9 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Hugues Ier de Lens (~1065-1135)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Gauthier Ier de Lens (~1035-)
3Adélaïde de Rebecque (~1037-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Robert II de Bethune (1010-1071)
5Berthilde d'Ollehain (1019-1073)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Wauthier III d'Ollehain (~0987-1039)
11Gisèle de Hainaut (~0998-1049)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
20Wauthier II d'Olhain (~0953-1013)
21Blanche d'Hersin (~0964-1003)