List of 17 ancestors found in 40 iterations (15 distinct persons and 17 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Gautier de Chelers (1073-1135)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Nocher II de Chelers (1041-1112)
3Marguerite de Tincques (1056-1112)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
4 (2)Nocher Ier de Chelers (~1009-)
5 (2)Guislaine de Servins (~1022-1074)
6Robert de Tincques (1024-1077)
7Berthilde de Chelers (1040-1089)
Generation 3 - 6 person(s) on 8 (6 distinct persons)
8Iton de Chelers (~0982-~1045)
9Hermine d'Olhain (~0991-~1047)
12Rigobert de Tincques (0993-1049)
13Blandine d'Ambrines (1004-1065)
14 (2)Nocher Ier de Chelers (~1009-)
15 (2)Guislaine de Servins (~1022-1074)
Generation 4 - 4 person(s) on 16 (6 distinct persons)
18Wauthier II d'Olhain (~0953-1013)
19Blanche d'Hersin (~0964-1003)
26Henri d'Ambrines (0979-1038)
27Giselberthe d'Hollehain (0986-1044)