List of 27 ancestors found in 40 iterations (27 distinct persons and 27 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Arnould Ier de Berghes (1161-1234)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Wido de Berghes (1132-1186)
3Louise de Guines (1134-1191)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
6Arnould Ier Le Grand de Gand (1101-02/01/1169)
7Mahaut de Saint-Omer (1115-02/07/1189)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
12Wenemar Ier de Gand (1070-1120)
13Gisèle de Guînes (1077-1120)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
26Baudouin de Guînes (1038-1094)
27Chrétienne de Hollande (1045-1085)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
52Eustache Ier de Guînes (~1016-~1065)
53Suzanne de Ghermines (~1010-~1046)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
104Rodolphe Ier de Guînes (~0990-30/05/1036)
105Rosèle de Saint Pol (~0986-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
208Ardulf Ier le Posthume de Guînes (0966-)
209Mathilde de Boulogne (~0970-~1005)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
416Siegfried Ier de Guines (~0905-0972)
417Elftrude de Flandre (~0933-0972)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
832Harald de Danemark (~0900-)
833Gisèle de Lorraine (~0860-25/10/0907)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1666Lothaire II de Germanie (~0835-12/08/0875)
1667Waldrade de Wormsgau (0815-08/04/0879)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
3332Lothaire Ier de Germanie (0795-29/09/0855)
3333Ermengarde de Tours (0804-20/05/0851)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
6664Louis Ier le Pieux de France (16/04/0778-20/06/0840)
6665Ermengarde de Hesbaye (0780-03/10/0818)
Generation 13 - 2 person(s) on 8192 (2 distinct persons)
13328Charlemagne de France (02/04/0747-28/01/0814)
13329Hildegarde von Vintzgau (~0757-26/04/0783)