List of 19 ancestors found in 40 iterations (19 distinct persons and 19 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Alphonse IV de Desvres (1038-1084)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Wallerand de Desvres (~1015-~1065)
3Jehanne de Guines (~1022-1059)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
6Rodolphe Ier de Guînes (~0990-30/05/1036)
7Rosèle de Saint Pol (~0986-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
12Ardulf Ier le Posthume de Guînes (0966-)
13Mathilde de Boulogne (~0970-~1005)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
24Siegfried Ier de Guines (~0905-0972)
25Elftrude de Flandre (~0933-0972)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
48Harald de Danemark (~0900-)
49Gisèle de Lorraine (~0860-25/10/0907)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
98Lothaire II de Germanie (~0835-12/08/0875)
99Waldrade de Wormsgau (0815-08/04/0879)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
196Lothaire Ier de Germanie (0795-29/09/0855)
197Ermengarde de Tours (0804-20/05/0851)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
392Louis Ier le Pieux de France (16/04/0778-20/06/0840)
393Ermengarde de Hesbaye (0780-03/10/0818)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
784Charlemagne de France (02/04/0747-28/01/0814)
785Hildegarde von Vintzgau (~0757-26/04/0783)