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)
1Gustave Ier de Cavron (~1025-1074)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Wallerand Ier de Cavron (~0997-1049)
3Adèle de Plumoison (~1008-1053)