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)
1Jehan Ierna de Royteau de Wirmo (~1553-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Lambert Ierna de Royteau de Wirmo (~1500-1574)
3? de Wirmonsart (~1502-)