List of 21 ancestors found in 40 iterations (21 distinct persons and 21 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Foulques de Montreuil (1052-1087)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Enguerrand II de Ponthieu (1033-1053)
3Alice de Normandie (1026-1090)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Hughes II de Ponthieu (~1014-20/11/1052)
5Berthe d'Aumale (~1015-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Enguerrand Ier De Ponthieu (~0995-09/12/1046)
9Adélaïde de Gand (~0980-)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
18Arnulf II de Hollande (~0950-18/09/0993)
19Luitegarde de Luxembourg (~0953-)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
38Siegfried de Luxembourg (0917-15/08/0998)
39Hedwige de Nordgau (0935-13/12/0992)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
78Hugues II de Nordgau (~0895-0940)
79Hildegarde de Ferrette (~0876-)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
158Lothaire II de Germanie (~0835-12/08/0875)
159Waldrade de Wormsgau (0815-08/04/0879)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
316Lothaire Ier de Germanie (0795-29/09/0855)
317Ermengarde de Tours (0804-20/05/0851)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
632Louis Ier le Pieux de France (16/04/0778-20/06/0840)
633Ermengarde de Hesbaye (0780-03/10/0818)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1264Charlemagne de France (02/04/0747-28/01/0814)
1265Hildegarde von Vintzgau (~0757-26/04/0783)