List of 19 ancestors found in 40 iterations (17 distinct persons and 19 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
8 (2)Nocher Ier de Chelers (~1009-)
9 (2)Guislaine de Servins (~1022-1074)
10Robert de Tincques (1024-1077)
11Berthilde de Chelers (1040-1089)
Generation 4 - 6 person(s) on 16 (6 distinct persons)
Generation 5 - 4 person(s) on 32 (6 distinct persons)