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)
1Guillaume Ier de Crevecoeur (1045-1108)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Wallérand de Clermont en Beauvaisis (1018-)
3Isabeau d'Ailly sur Noye (1022-1065)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Baudouin II de Clermont en Beauvaisis (0988-1042)
5Havoise de Nesle (0993-1054)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Hildebert de Nesle (0961-1025)
11Chrétienne de Roucy (0976-1018)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
22Giselbert de Roucy (~0950-19/04/0991)
23Adélaïde d'Aquitaine (22/07/0952-09/07/1004)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
44Raynauld de Roucy (03/0931-15/03/0973)
45Alberade de Lotharingie (0930-15/03/0973)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
90Giselbert II de Maasgau (0880-02/10/0939)
91Gerberge de Saxe (0914-05/05/0984)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
180Régnier Ier au Long Col de Hainaut (25/10/0860-19/01/0915)
181Albérade de Lorraine (0862-24/01/0919)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
362Charles II de France (13/06/0823-0877)
363Ermentrude d'Orléans (04/0825-0869)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
724Louis Ier le Pieux de France (16/04/0778-20/06/0840)
725Judith de Bavière (0805-19/04/0843)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1448Charlemagne de France (02/04/0747-28/01/0814)
1449Hildegarde von Vintzgau (~0757-26/04/0783)