List of 13 ancestors found in 40 iterations (13 distinct persons and 13 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
Generation 2 - 2 person(s) on 4 (2 distinct persons)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
8Adam de Beaumont-Gatinais (~1125-08/05/1164)
9Agnès de Soisy (~1130-)
10Jean II de Corbeil (~1130-)
11Jeanne de Duras (~1145-)
Generation 4 - 4 person(s) on 16 (4 distinct persons)