List of 23 ancestors found in 40 iterations (23 distinct persons and 23 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Robert de Bours (1079-1124)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Hugues de Bours (1056-1108)
3Marthe de Ponthieu (1062-1109)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4François de Bours (~1024-~1069)
5Gisèle De Guines (~1034-~1089)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Eustache Ier de Guînes (~1016-~1065)
11Suzanne de Ghermines (~1010-~1046)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
20Rodolphe Ier de Guînes (~0990-30/05/1036)
21Rosèle de Saint Pol (~0986-)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
40Ardulf Ier le Posthume de Guînes (0966-)
41Mathilde de Boulogne (~0970-~1005)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
80Siegfried Ier de Guines (~0905-0972)
81Elftrude de Flandre (~0933-0972)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
160Harald de Danemark (~0900-)
161Gisèle de Lorraine (~0860-25/10/0907)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
322Lothaire II de Germanie (~0835-12/08/0875)
323Waldrade de Wormsgau (0815-08/04/0879)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
644Lothaire Ier de Germanie (0795-29/09/0855)
645Ermengarde de Tours (0804-20/05/0851)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1288Louis Ier le Pieux de France (16/04/0778-20/06/0840)
1289Ermengarde de Hesbaye (0780-03/10/0818)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
2576Charlemagne de France (02/04/0747-28/01/0814)
2577Hildegarde von Vintzgau (~0757-26/04/0783)