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)
1Pétronille d'Espinoy (1074-1138)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Alard Ier d'Espinoy (~1050-~1090)
3Petronille d'Antoing (~1055-)