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)
1Gauthier de Nouvion-en-Ponthieu (~1136-~1194)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Edouard de Nouvion-en-Ponthieu (~1100-~1157)
3Giselberthe de Montcavrel (~1112-1171)