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)
1Arthus de Gamaches (1084-1139)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Gaucher de Gamaches (1051-1116)
3Mahaut d'Aumale (1063-1119)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Wauthier de Gamaches (1018-1078)
5Radegonde de Norvège (1020-1089)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Wallerand II de Gamaches (0985-1046)
9Lucie de Ponthieu (0994-1055)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
18Hilduin III De Montdidier (~0970-1037)
19Lesceline d'Harcourt (0975-26/01/0998)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
36Hilduin II de Montdidier (~0951-0992)
37Helvide de Laon (~0940-)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
74Roger II de Laon (0902-0967)
75Gertrude de Chaumontois (~0920-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
148Roger de Laon (~0867-0926)
149Helvide de Frioul (0848-~0915)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
298Saint Evrard de Frioul (0812-16/12/0866)
299Gisèle de Francie (04/0821-01/07/0874)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
598Louis Ier le Pieux de France (16/04/0778-20/06/0840)
599Judith de Bavière (0805-19/04/0843)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1196Charlemagne de France (02/04/0747-28/01/0814)
1197Hildegarde von Vintzgau (~0757-26/04/0783)