List of 3 ancestors found in 40 iterations (3 distinct persons and 3 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Arnould II d'Aarschoot (1060-1147)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Arnould Ier d'Aarschoot (1035-1060)
3Béatrice de Looz (~1037-1135)