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)
1Guglielmo II de Montferrato (1040-1100)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Otton II de Montferrato (1015-20/11/1084)
3Constanza de Savoie (~1012-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
6Humberto Ier aux blanches-mains de Savoie (~0982-07/07/1048)
7Auxiliende de Solignac (~1000-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
12Amédée de Savoie (~0940-~0996)
13Gudile de Macon (~0945-~1020)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
24Charles de Vienne de Provence (0901-23/06/0962)
25Theutberge de Sens (0905-09/01/0965)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
48Louis III L'Aveugle de Bourgogne (0883-05/06/0928)
49Anne de Macédoine (0885-0912)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
96Boson V de Provence (0844-19/01/0887)
97Ermengarde d'Italie (~0845-0896)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
192Beuves d'Ardennes (0822-0877)
193Richilde d'Arles (0820-)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
384Hardouin de Ponthieu (~0769-0826)
385Richeut d'Amiens (~0790-)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
768Ingelbert de Ponthieu (0750-18/02/0814)
769Berthe de France (~0764-24/01/0823)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1538Charlemagne de France (02/04/0747-28/01/0814)
1539Hildegarde von Vintzgau (~0757-26/04/0783)