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)
1Arnold IV d'Audenaerde (1180-1242)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Gisebert II d'Audenaerde (~1150-1214)
3Richardis de Mortagne (~1152-1219)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
6Evrard III de Peteghem (1132-07/03/1190)
7Gertrude de Montaigu de Lorraine (1125-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
14Lambert de Montagu (1080-1140)
15Pétronille de Haute Lorraine (1100-23/05/1144)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
30Thierry II Le Vaillant d'Alsace (1055-27/01/1115)
31Gertrude de Flandres (1070-1117)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
60Gerard Ier Le Grand d'Alsace (1030-18/03/1070)
61Hedwige de Namur (1028-03/02/1080)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
120Gerhard II le Jeune de Metz (~0940-1033)
121Eva de Luxembourg (~0967-1030)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
240Gottfried de Metz (0910-26/03/0949)
241Ermentrude de France (~0899-)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
482Charles III Le Loyal Le Simple de France (17/09/0879-07/10/0929)
483Frederune de Saxe (0885-10/02/0917)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
964Louis II Le Bègue de France (05/11/0846-10/04/0879)
965Aélis de Paris de Frioul (0855-0901)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)
1928Charles II de France (13/06/0823-0877)
1929Ermentrude d'Orléans (04/0825-0869)
Generation 11 - 2 person(s) on 2048 (2 distinct persons)
3856Louis Ier le Pieux de France (16/04/0778-20/06/0840)
3857Judith de Bavière (0805-19/04/0843)
Generation 12 - 2 person(s) on 4096 (2 distinct persons)
7712Charlemagne de France (02/04/0747-28/01/0814)
7713Hildegarde von Vintzgau (~0757-26/04/0783)