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)
1Berthilde de Bours (1207-1259)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Auguste de Bours (1176-1231)
3Marguerite de Grigny (1188-1248)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Pasquet de Bours (1125-1188)
5Michèle de Nédonchel (1153-1199)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Louis de Bours (~1100-~1154)
9Jeanne de Rollancourt (~1105-~1159)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
16Robert de Bours (1079-1124)
17Berthe de Bournonville (1083-1132)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
32Hugues de Bours (1056-1108)
33Marthe de Ponthieu (1062-1109)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
64François de Bours (~1024-~1069)
65Gisèle De Guines (~1034-~1089)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
130Eustache Ier de Guînes (~1016-~1065)
131Suzanne de Ghermines (~1010-~1046)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
260Rodolphe Ier de Guînes (~0990-30/05/1036)
261Rosèle de Saint Pol (~0986-)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
520Ardulf Ier le Posthume de Guînes (0966-)
521Mathilde de Boulogne (~0970-~1005)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1040Siegfried Ier de Guines (~0905-0972)
1041Elftrude de Flandre (~0933-0972)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
2080Harald de Danemark (~0900-)
2081Gisèle de Lorraine (~0860-25/10/0907)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
4162Lothaire II de Germanie (~0835-12/08/0875)
4163Waldrade de Wormsgau (0815-08/04/0879)
Generation 13 - 2 person(s) on 8192 (2 distinct persons)
8324Lothaire Ier de Germanie (0795-29/09/0855)
8325Ermengarde de Tours (0804-20/05/0851)
Generation 14 - 2 person(s) on 16384 (2 distinct persons)
16648Louis Ier le Pieux de France (16/04/0778-20/06/0840)
16649Ermengarde de Hesbaye (0780-03/10/0818)
Generation 15 - 2 person(s) on 32768 (2 distinct persons)
33296Charlemagne de France (02/04/0747-28/01/0814)
33297Hildegarde von Vintzgau (~0757-26/04/0783)