List of 7 ancestors found in 40 iterations (7 distinct persons and 7 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Lieutgarde d'Auvergne (~0821-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Gérard Ier d'Auvergne (0780-29/06/0841)
3Rotrude la jeune de France (0803-23/08/0860)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
6Louis Ier le Pieux de France (16/04/0778-20/06/0840)
7Ermengarde de Hesbaye (0780-03/10/0818)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
12Charlemagne de France (02/04/0747-28/01/0814)
13Hildegarde von Vintzgau (~0757-26/04/0783)