List of 23 ancestors found in 40 iterations (23 distinct persons and 23 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)
8Gaucher de Lannoy (0991-1039)
9AƩdelis d'Halluin (1005-1049)
10Arthur II de Wissocq (~1001-1058)
11Constance de Berghes Saint-Winoch (~1009-1063)
Generation 4 - 4 person(s) on 16 (4 distinct persons)
Generation 5 - 4 person(s) on 32 (4 distinct persons)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
Generation 8 - 2 person(s) on 256 (2 distinct persons)