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)
1Henriette de Bouvigny (1175-1222)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Nestor de Bouvigny (1136-1197)
3Henriette d'Olhain (1147-1202)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
6Wallerand d'Ollehain (~1115-1178)
7Blanche de Bours (~1125-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
14Louis de Bours (~1100-~1154)
15Jeanne de Rollancourt (~1105-~1159)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
28Robert de Bours (1079-1124)
29Berthe de Bournonville (1083-1132)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
56Hugues de Bours (1056-1108)
57Marthe de Ponthieu (1062-1109)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
112François de Bours (~1024-~1069)
113Gisèle De Guines (~1034-~1089)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
226Eustache Ier de Guînes (~1016-~1065)
227Suzanne de Ghermines (~1010-~1046)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
452Rodolphe Ier de Guînes (~0990-30/05/1036)
453Rosèle de Saint Pol (~0986-)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
904Ardulf Ier le Posthume de Guînes (0966-)
905Mathilde de Boulogne (~0970-~1005)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1808Siegfried Ier de Guines (~0905-0972)
1809Elftrude de Flandre (~0933-0972)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
3616Harald de Danemark (~0900-)
3617Gisèle de Lorraine (~0860-25/10/0907)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
7234Lothaire II de Germanie (~0835-12/08/0875)
7235Waldrade de Wormsgau (0815-08/04/0879)
Generation 13 - 2 person(s) on 8192 (2 distinct persons)
14468Lothaire Ier de Germanie (0795-29/09/0855)
14469Ermengarde de Tours (0804-20/05/0851)
Generation 14 - 2 person(s) on 16384 (2 distinct persons)
28936Louis Ier le Pieux de France (16/04/0778-20/06/0840)
28937Ermengarde de Hesbaye (0780-03/10/0818)
Generation 15 - 2 person(s) on 32768 (2 distinct persons)
57872Charlemagne de France (02/04/0747-28/01/0814)
57873Hildegarde von Vintzgau (~0757-26/04/0783)