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)
1Engelbert IV de Peteghem (1075-31/05/1097)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Ingelbert III de Peteghem (~1035-)
3Mathilde de Cysoing (~1047-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Engelbert II de Peteghem (~1000-1058)
5Glismude van Utrecht (0975-1071)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Immed IV von Sachsen (0940-29/01/0983)
11Adèle de Gand (~0955-~1017)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
22Wichman de Gand (~0925-~0983)
23Luitgarde de Flandre (0936-0962)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
46Arnoul Ier de Flandre (0888-16/04/0964)
47Alix de Vermandois (0913-0960)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
92Baudouin II le Chauve de Flandre (0864-30/09/0918)
93Aelfthryth de Wessex (~0849-27/06/0929)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
184Baudouin Ier dit Bras de Fer ou aussi le Bon de Flandre (0837-02/01/0879)
185Judith de France (0843-0871)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
370Charles II de France (13/06/0823-0877)
371Ermentrude d'Orléans (04/0825-0869)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
740Louis Ier le Pieux de France (16/04/0778-20/06/0840)
741Judith de Bavière (0805-19/04/0843)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1480Charlemagne de France (02/04/0747-28/01/0814)
1481Hildegarde von Vintzgau (~0757-26/04/0783)