List of 25 ancestors found in 30 iterations (25 distinct persons and 25 positions into tree)

Generation 0 - 1 person(s) on 1 (1 distinct persons)
1Pierre van Zuylen (1881-)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
Generation 2 - 4 person(s) on 4 (4 distinct persons)
Generation 3 - 4 person(s) on 8 (4 distinct persons)
Generation 4 - 2 person(s) on 16 (2 distinct persons)
Generation 5 - 2 person(s) on 32 (2 distinct persons)
Generation 6 - 2 person(s) on 64 (2 distinct persons)
Generation 7 - 2 person(s) on 128 (2 distinct persons)
Generation 8 - 2 person(s) on 256 (2 distinct persons)
Generation 9 - 2 person(s) on 512 (2 distinct persons)
Generation 10 - 2 person(s) on 1024 (2 distinct persons)