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)
1Mahaut de France (1080-1125)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Hugues Ier Le Grand de Vermandois (~1057-18/10/1102)
3Adélaide de Vermandois (1062-23/09/1120)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
6Herbert V de Vermandois (~1015-~1076)
7Adèle de Valois (~1040-~1101)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
12Eudes Ier de Vermandois (~0980-~1047)
13Pavie de Ham (~0998-~1058)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
24Herbert III de Vermandois (~0955-~1015)
25Ermengarde de Bar sur Seine (~0955-)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
48Albert Ier de Vermandois (~0910-08/09/0987)
49Gerberge de Lorraine (~0935-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
98Giselbert II de Maasgau (0880-02/10/0939)
99Gerberge de Saxe (0914-05/05/0984)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
196Régnier Ier au Long Col de Hainaut (25/10/0860-19/01/0915)
197Albérade de Lorraine (0862-24/01/0919)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
394Charles II de France (13/06/0823-0877)
395Ermentrude d'Orléans (04/0825-0869)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
788Louis Ier le Pieux de France (16/04/0778-20/06/0840)
789Judith de Bavière (0805-19/04/0843)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1576Charlemagne de France (02/04/0747-28/01/0814)
1577Hildegarde von Vintzgau (~0757-26/04/0783)