List of 7 ancestors found in 40 iterations (7 distinct persons and 7 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Halvide de Breteuil (~1022-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Guillaume Ier de Crepon (~1005-)
3Adelise de Tosny (~1007-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Osbern de Crepon (~0975-)
5Emma d'Ivry (~0977-)
Generation 3 - 2 person(s) on 8 (2 distinct persons)
10Raoul d'Ivry (~0947-)
11Eremburge de Caux (~0949-)