List of 19 ancestors found in 30 iterations (17 distinct persons and 19 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Gautier de Chelers (1073-1135)
3Marthe de Berles (1087-1148)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
Generation 4 - 6 person(s) on 16 (6 distinct persons)
Generation 5 - 4 person(s) on 32 (6 distinct persons)