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)
1Guy de Crécy-en-Valois (~1060-1147)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Gaucher de Crécy-sur-Serre (~1025-~1090)
3Bonne de Melun (~1040-1092)