Magdalena Agnieszka Sapieżyna

She was known as the mistress of King Stanisław August Poniatowski and had a child with him, Michał Cichocki, in 1770.

She was born as daughter of Prince Antoni Benedykt Lubomirski and his wife Anna Zofia Ożarowska (1716-1759).

In 1762, she supported him against Count Heinrich von Brühl, and in April 1763, she participated alongside him in the Vilnius court.

During the interregnum of 1763, she persuade her spouse to join the Familia (political party).

Her husband was not willing to be named as the father of some of the children she gave birth to during these years.