List of 15 ancestors found in 40 iterations (15 distinct persons and 15 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Baudouin Ier de Boulogne (0935-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Odakar VI de Boulogne (0905-0954)
3Maud de Gamaches (0918-0959)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
6Adolphe de Boulogne (0891-13/09/0933)
7Maud de Créquy (0903-0954)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
12Baudouin II le Chauve de Flandre (0864-30/09/0918)
13Aelfthryth de Wessex (~0849-27/06/0929)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
24Baudouin Ier dit Bras de Fer ou aussi le Bon de Flandre (0837-02/01/0879)
25Judith de France (0843-0871)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
50Charles II de France (13/06/0823-0877)
51Ermentrude d'Orléans (04/0825-0869)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
100Louis Ier le Pieux de France (16/04/0778-20/06/0840)
101Judith de Bavière (0805-19/04/0843)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
200Charlemagne de France (02/04/0747-28/01/0814)
201Hildegarde von Vintzgau (~0757-26/04/0783)