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)
1Louis VI Le Gros Dit Le Batailleur de France (1081-01/08/1137)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Philippe Ier de France (23/05/1052-29/07/1108)
3Berthe de Hollande (1055-30/07/1094)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Henri Ier de France (04/05/1008-04/08/1060)
5Anne de Kiev (1024-1089)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Iaroslav Ier Le Sage L'Avisé de Kiev (0978-20/02/1054)
11Ingrid de Suède (1001-10/02/1050)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
20Vladimir Ier Le Grand Velikiy de Kiev (0955-15/07/1015)
21Rogneda de Polotzk (0965-1002)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
40Sviatoslav Ier Le Conquérant de Kiev (0923-12/0972)
41Maloucha de Lubeck (0935-1002)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
80Igor Ier Le Vieux de Kiev (0877-0945)
81Olga La Sainte de Kiev (0890-21/07/0969)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
162Oleg de Kiev (~0865-~0913)
163Helena de Novgorod (~0866-)