List of 31 ancestors found in 40 iterations (31 distinct persons and 31 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Jean de Crésecques (~1255-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Robert IV de Crésecques (~1220-1270)
3Jeanne de Picquigny (~1224-1279)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Anseau II de Crésecques (1192-1247)
5Béatrice de Guines (~1198-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Arnould II de Guines (~1160-1220)
11Béatrice de Bourbourg (~1175-1214)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
20Baudouin II de Guines (~1133-02/01/1205)
21Chrétienne de Marck (~1135-02/07/1177)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
42Arnould IV de Marck (1115-1147)
43Adeline d'Ardres (1110-1157)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
86Arnulf II d'Ardres (1071-1139)
87Gertrude de Gand (1075-1138)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
174Baudouin Ier de Gand (1025-24/04/1082)
175Oda de Flandre (~1047-1082)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
348Raoul de Gand, de Boulogne (~1012-)
349Gisele de Luxembourg (1019-)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
698Frederic Ier de Luxembourg (0965-06/09/1019)
699Irmentrude de Wetterau (0970-1024)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1396Siegfried de Luxembourg (0917-15/08/0998)
1397Hedwige de Nordgau (0935-13/12/0992)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
2794Hugues II de Nordgau (~0895-0940)
2795Hildegarde de Ferrette (~0876-)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
5590Lothaire II de Germanie (~0835-12/08/0875)
5591Waldrade de Wormsgau (0815-08/04/0879)
Generation 13 - 2 person(s) on 8192 (2 distinct persons)
11180Lothaire Ier de Germanie (0795-29/09/0855)
11181Ermengarde de Tours (0804-20/05/0851)
Generation 14 - 2 person(s) on 16384 (2 distinct persons)
22360Louis Ier le Pieux de France (16/04/0778-20/06/0840)
22361Ermengarde de Hesbaye (0780-03/10/0818)
Generation 15 - 2 person(s) on 32768 (2 distinct persons)
44720Charlemagne de France (02/04/0747-28/01/0814)
44721Hildegarde von Vintzgau (~0757-26/04/0783)