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)
1Engelbert de Bréda (1100-1152)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Henri Ier de Brunesheim Tienen (1080-1125)
3? de Marbais (~1072-)