List of 21 ancestors found in 40 iterations (21 distinct persons and 21 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Clémence de Saint Omer (1073-1123)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Gaucher de Saint Omer (1035-1089)
3Gisèle d'Avesnes (1055-1109)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Rabel de Saint Omer (1002-1063)
5Ghislaine de Gand (~1008-~1059)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Lambert Ier de Saint Omer (0955-1042)
9Béatrix de Hainaut (0984-01/01/1045)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
18Rainier IV de Hainaut (~0962-~1013)
19Hadwige de France (~0970-)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
36Régnier III de Hainaut de Mons (0920-0973)
37Adélaïde de Dagsbourg de Louvain (0930-0969)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
72Régnier II de Hainaut (~0882-0932)
73Adélaïde de Bourgogne (~0889-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
144Régnier Ier au Long Col de Hainaut (25/10/0860-19/01/0915)
145Albérade de Lorraine (0862-24/01/0919)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
290Charles II de France (13/06/0823-0877)
291Ermentrude d'Orléans (04/0825-0869)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
580Louis Ier le Pieux de France (16/04/0778-20/06/0840)
581Judith de Bavière (0805-19/04/0843)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1160Charlemagne de France (02/04/0747-28/01/0814)
1161Hildegarde von Vintzgau (~0757-26/04/0783)