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)
1Béatrice de Berghes (1049-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Wauthier de Berghes Saint Winoch (1018-1071)
3Adèle de Therouanne (1033-1074)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
6Godeffroi de Thérouanne (1005-1060)
7Walburge de Sainte Aldegonde (1015-1059)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
14Huon II de Sainte Aldegonde (~0990-~1046)
15Angèle de Guines (~0997-~1054)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
30Ardulf Ier le Posthume de Guînes (0966-)
31Mathilde de Boulogne (~0970-~1005)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
60Siegfried Ier de Guines (~0905-0972)
61Elftrude de Flandre (~0933-0972)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
120Harald de Danemark (~0900-)
121Gisèle de Lorraine (~0860-25/10/0907)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
242Lothaire II de Germanie (~0835-12/08/0875)
243Waldrade de Wormsgau (0815-08/04/0879)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
484Lothaire Ier de Germanie (0795-29/09/0855)
485Ermengarde de Tours (0804-20/05/0851)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
968Louis Ier le Pieux de France (16/04/0778-20/06/0840)
969Ermengarde de Hesbaye (0780-03/10/0818)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1936Charlemagne de France (02/04/0747-28/01/0814)
1937Hildegarde von Vintzgau (~0757-26/04/0783)