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)
1Octave II de Desvres (1063-1119)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Alphonse IV de Desvres (1038-1084)
3Giselberthe de Thérouanne (1046-1098)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Wallerand de Desvres (~1015-~1065)
5Jehanne de Guines (~1022-1059)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Rodolphe Ier de Guînes (~0990-30/05/1036)
11Rosèle de Saint Pol (~0986-)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
20Ardulf Ier le Posthume de Guînes (0966-)
21Mathilde de Boulogne (~0970-~1005)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
40Siegfried Ier de Guines (~0905-0972)
41Elftrude de Flandre (~0933-0972)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
80Harald de Danemark (~0900-)
81Gisèle de Lorraine (~0860-25/10/0907)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
162Lothaire II de Germanie (~0835-12/08/0875)
163Waldrade de Wormsgau (0815-08/04/0879)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
324Lothaire Ier de Germanie (0795-29/09/0855)
325Ermengarde de Tours (0804-20/05/0851)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
648Louis Ier le Pieux de France (16/04/0778-20/06/0840)
649Ermengarde de Hesbaye (0780-03/10/0818)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1296Charlemagne de France (02/04/0747-28/01/0814)
1297Hildegarde von Vintzgau (~0757-26/04/0783)