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)
1Hugues V de Chatillon (1196-09/04/1248)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Gaucher III de Chatillon (1166-10/1219)
3Elisabeth de Saint Pol (~1180-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Guy II de Chatillon (1140-)
5Adèle de Dreux (1145-01/1209)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Gaucher II de Chatillon (1110-1146)
9Ade de Roucy (~1113-)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
16Henri Ier de Chatillon (1080-)
17Ermengarde de Montjay (~1090-)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
32Gaucher de Châtillon-sur-Marne (~1050-)
33Mahaut de Louvain (~1052-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
64Gui de Châtillon-sur-Marne (~1020-)
65Ermengarde de Choisy (~1020-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
128Milo de Châtillon-sur-Marne (~0990-1044)
129Avemelle de Montfort-l'Amaury (~0983-~1031)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
258Amaury Ier de Hainaut (~0920-0983)
259Judith de Cambrai (~0930-0983)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
516Régnier II de Hainaut (~0882-0932)
517Adélaïde de Bourgogne (~0889-)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1032Régnier Ier au Long Col de Hainaut (25/10/0860-19/01/0915)
1033Albérade de Lorraine (0862-24/01/0919)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
2066Charles II de France (13/06/0823-0877)
2067Ermentrude d'Orléans (04/0825-0869)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
4132Louis Ier le Pieux de France (16/04/0778-20/06/0840)
4133Judith de Bavière (0805-19/04/0843)
Generation 13 - 2 person(s) on 8192 (2 distinct persons)
8264Charlemagne de France (02/04/0747-28/01/0814)
8265Hildegarde von Vintzgau (~0757-26/04/0783)