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)
1Guillaume II des Barres (1130-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Guillaume Ier des Barres (~1110-1161)
3? d'Oissery (~1102-)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Jean Ier des Barres (~1095-1161)
5Elisabeth de Meursault (~1082-)