List of 5 ancestors found in 30 iterations (5 distinct persons and 5 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Gauthier de Bourbourg (~1145-~1213)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Henri Ier de Bourbourg (~1090-1168)
3Béatrix de Gand (1120-1160)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
4Theinard de Bourbourg (~1068-)
5Livilde de Narbonne (1090-)