List of 3 ancestors found in 30 iterations (3 distinct persons and 3 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Robert IV d'Auvergne (1130-1194)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Guillaume IV d'Auvergne (~1095-~1182)
3Anne de Nevers (~1110-)