List of 5 ancestors found in 40 iterations (5 distinct persons and 5 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Ferrault Lefebvre (~1343-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Guillaume Lefebvre (1310-1372)
3Jeanne de Bourgon (1320-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Collart Lefebvre (1280-1367)
5? de Gastenoy (~1282-)