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)
1Henri von Mecklenburg-Schwerin (1417-1477)
Generation 1 - 2 person(s) on 2 (2 distinct persons)
2Jean von Mecklenburg-Schwerin (~1387-)
3Catherine de Saxe-Lauenburg (~1389-1448)