List of 25 ancestors found in 40 iterations (25 distinct persons and 25 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Ferry II de Lorraine (1170-10/10/1213)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Ferry Ier de Lorraine (1143-05/05/1208)
3Ludmilla Piast (1153-1223)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Mathieu Ier de Lorraine (1110-1176)
5Berthe de Souabe (1123-25/03/1195)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Simon Ier d'Alsace (1076-1138)
9Adélaïde de Louvain (1078-1158)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
16Thierry II Le Vaillant d'Alsace (1055-27/01/1115)
17Hedwige de Formbach (1059-1088)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
32Gerard Ier Le Grand d'Alsace (1030-18/03/1070)
33Hedwige de Namur (1028-03/02/1080)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
64Gerhard II le Jeune de Metz (~0940-1033)
65Eva de Luxembourg (~0967-1030)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
128Gottfried de Metz (0910-26/03/0949)
129Ermentrude de France (~0899-)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
258Charles III Le Loyal Le Simple de France (17/09/0879-07/10/0929)
259Frederune de Saxe (0885-10/02/0917)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
516Louis II Le Bègue de France (05/11/0846-10/04/0879)
517Aélis de Paris de Frioul (0855-0901)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1032Charles II de France (13/06/0823-0877)
1033Ermentrude d'Orléans (04/0825-0869)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
2064Louis Ier le Pieux de France (16/04/0778-20/06/0840)
2065Judith de Bavière (0805-19/04/0843)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
4128Charlemagne de France (02/04/0747-28/01/0814)
4129Hildegarde von Vintzgau (~0757-26/04/0783)