ENThe position of the Radziwiłł ordinats (principal heirs) of Nieśwież was expressed in affinities, offices, property and political influence. To determine their position, it is important to present their political influence, which has changed over the entire century. Here, the author discusses changes of the position of three successive ordinats: Chancellor Karol Stanisław, hetman Michał Kazimierz and voivode Karol Stanisław, who won the highest popularity and political position.