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)
1Lambert II de Gand (1048-1088)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Folcard Ier de Gand (1027-1073)
3Landrade de Louvain (1030-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Lambert de Gand (1000-1053)
5Ermengarde de Flandre (1005-1071)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Baudouin IV le Barbu de Flandre (0988-30/05/1036)
11Ogive de Luxembourg (0986-1031)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
22Frederic Ier de Luxembourg (0965-06/09/1019)
23Irmentrude de Wetterau (0970-1024)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
44Siegfried de Luxembourg (0917-15/08/0998)
45Hedwige de Nordgau (0935-13/12/0992)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
90Hugues II de Nordgau (~0895-0940)
91Hildegarde de Ferrette (~0876-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
182Lothaire II de Germanie (~0835-12/08/0875)
183Waldrade de Wormsgau (0815-08/04/0879)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
364Lothaire Ier de Germanie (0795-29/09/0855)
365Ermengarde de Tours (0804-20/05/0851)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
728Louis Ier le Pieux de France (16/04/0778-20/06/0840)
729Ermengarde de Hesbaye (0780-03/10/0818)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1456Charlemagne de France (02/04/0747-28/01/0814)
1457Hildegarde von Vintzgau (~0757-26/04/0783)