List of 15 ancestors found in 30 iterations (15 distinct persons and 15 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 - 4 person(s) on 4 (4 distinct persons)
4Sigismond d'Anhalt-Zerbst (~1360-1405)
5Jutta von Querfurt (~1362-1411)
6Albert von Lindau-Ruppin (~1400-1460)
7Anne von Schlesien-Glogau (~1412-1439)
Generation 3 - 8 person(s) on 8 (8 distinct persons)