 After Minory, the owners of Sielec were Modrzejewscy and Męgoborski.During the reign of King Stanisław August Poniatowski, the castle belonged to Colonel Michał Żuliński, and then to the chamberlain of the royal court of Jordan Stojewski, who in 1802 sold the castle to Prussian General Christian Ludwig Schimmelpfennig von der Oye.After his death in 1812, the widow in 1814 sold the castle to the prince of Pszczyna, Ludwik Anhalt-Coethen von Pless [1].