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)
1Yves II de Beaumont sur Oise (~0965-1016)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Yves Ier de Beaumont sur Oise (~0938-0998)
3Geila de Vermandois (0948-0996)