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)
1Ernéis de La Roche Tesson (~1022-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Raoul Ier L'Angevin de La Roche Tesson (~0992-)
3Alpaîs ? (0985-)