List of 11 ancestors found in 30 iterations (11 distinct persons and 11 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Havise de Beaumetz (~1061-~1127)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Englebert de Beaumetz (1018-1075)
3Jeanne d'Ailly-sur-Noye (~1022-~1084)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
4Gaucher de Beaumetz (~0982-~1054)
5Marta de Prouville (0984-)
6Wallerand Ier d'Ailly (1003-1052)
7Mahaut de Gamaches (1011-1049)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
8Henri de Beaumetz (~0958-)
9Jacqueline de Finalanse (~0960-)
12Huon d'Ailly (0968-1022)
13Giselberthe d'Aumale (~0973-)