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)
1Havoise de Marck (1182-1238)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Elembert III de Marck (1144-1207)
3Berthilde de Lillers (1164-1214)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Arnould IV de Marck (1115-1147)
5Adeline d'Ardres (1110-1157)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
8Elembert de Marck (1080-1137)
9Adèle de Licques (1095-)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
16Gismond de Marck (1055-1124)
17Augusta de Colembert (1063-1127)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
32Nocher d'Ardres (1031-1097)
33Mahaut de Thérouanne (1038-1094)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
66Godeffroi de Thérouanne (1005-1060)
67Walburge de Sainte Aldegonde (1015-1059)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
134Huon II de Sainte Aldegonde (~0990-~1046)
135Angèle de Guines (~0997-~1054)