List of 39 ancestors found in 40 iterations (37 distinct persons and 39 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 - 4 person(s) on 4 (4 distinct persons)
Generation 3 - 8 person(s) on 8 (8 distinct persons)
8Giselbert Ier d'Aire (~0992-1048)
9Ghislaine de Cassel (~1002-1049)
10Arthur II de Wissocq (~1001-1058)
11Constance de Berghes Saint-Winoch (~1009-1063)
12Gaspar II de Nédonchel (~0975-~1026)
13Jehanne de Wavrin (~0990-1031)
14Jehan de Bours (0995-1047)
15Alix de Saint Pol (~1002-1054)
Generation 4 - 10 person(s) on 16 (10 distinct persons)
Generation 5 - 8 person(s) on 32 (8 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)