List of 27 ancestors found in 40 iterations (27 distinct persons and 27 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Jehan Ier de Lens (~1166-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Eustache III Canivet du Roeulx (~1150-)
3Jeanne de Lens (~1150-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Witasse dit le Barbe de Roeulx (~1124-1186)
5Berthe de Gavre (~1126-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Rasse III de Gavre (~1100-27/06/1149)
11Julienne de Chièvres (1117-01/01/1180)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
20Rasse II de Gavre (1062-)
21Ide d'Ath (~1080-1138)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
42Gaultier d'Ath (1050-1122)
43Ade de Roucy (~1051-21/01/1119)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
86Hilduin IV de Montdidier (0995-1063)
87Alix de Roucy (~1020-1062)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
172Hilduin III De Montdidier (~0970-1037)
173Lesceline d'Harcourt (0975-26/01/0998)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
344Hilduin II de Montdidier (~0951-0992)
345Helvide de Laon (~0940-)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
690Roger II de Laon (0902-0967)
691Gertrude de Chaumontois (~0920-)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1380Roger de Laon (~0867-0926)
1381Helvide de Frioul (0848-~0915)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
2762Saint Evrard de Frioul (0812-16/12/0866)
2763Gisèle de Francie (04/0821-01/07/0874)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
5526Louis Ier le Pieux de France (16/04/0778-20/06/0840)
5527Judith de Bavière (0805-19/04/0843)
Generation 13 - 2 person(s) on 8192 (2 distinct persons)
11052Charlemagne de France (02/04/0747-28/01/0814)
11053Hildegarde von Vintzgau (~0757-26/04/0783)