List of 13 ancestors found in 40 iterations (13 distinct persons and 13 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Mathilde de Waziers (~1120-1158)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Baudouin Ier de Lens (1090-1157)
3Ade de Rebecques (1090-1153)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Hugues Ier de Lens (~1065-1135)
5Alix de Rebecque (~1070-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Gauthier Ier de Lens (~1035-)
9Adélaïde de Rebecque (~1037-)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
16Robert II de Bethune (1010-1071)
17Berthilde d'Ollehain (1019-1073)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
34Wauthier III d'Ollehain (~0987-1039)
35Gisèle de Hainaut (~0998-1049)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
68Wauthier II d'Olhain (~0953-1013)
69Blanche d'Hersin (~0964-1003)