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)
1Alix de Flandre (~1030-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Baudouin VI de Flandre (1030-17/07/1070)
3Richilde de Hainaut (1027-15/03/1086)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Baudouin V le Pieux de Flandre (1012-13/09/1067)
5Adélaïde de France (1009-14/01/1079)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Baudouin IV le Barbu de Flandre (0988-30/05/1036)
9Ogive de Luxembourg (0986-1031)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
18Frederic Ier de Luxembourg (0965-06/09/1019)
19Irmentrude de Wetterau (0970-1024)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
36Siegfried de Luxembourg (0917-15/08/0998)
37Hedwige de Nordgau (0935-13/12/0992)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
74Hugues II de Nordgau (~0895-0940)
75Hildegarde de Ferrette (~0876-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
150Lothaire II de Germanie (~0835-12/08/0875)
151Waldrade de Wormsgau (0815-08/04/0879)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
300Lothaire Ier de Germanie (0795-29/09/0855)
301Ermengarde de Tours (0804-20/05/0851)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
600Louis Ier le Pieux de France (16/04/0778-20/06/0840)
601Ermengarde de Hesbaye (0780-03/10/0818)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1200Charlemagne de France (02/04/0747-28/01/0814)
1201Hildegarde von Vintzgau (~0757-26/04/0783)