[clarification needed — see talk] He also held a position of Marshal during the Partition Sejm, together with Adam Poniński.

During his rule, the ponds in the Przygodzice estates located near Ostrów Wielkopolski became one of the most significant in Poland and Europe.

On October 23 of 1767, he joined the delegation of the Sejm, selected under the pressure of the Russian envoy Nikolai Repnin, established in order to define the system of the Republic of Poland.

On September 18, 1773, he signed the treaties of assignment by the Polish- Lithuanian Commonwealth of lands seized by Russia, Prussia and Austria in the first partition of Poland.

He became a member of the Lithuanian Distribution Commission , established to liquidate the assets of the Jesuit order dissolved in the Republic of Poland.

At the Grodno Seym in 1793, he was appointed by King Stanisław August Poniatowski as a member of the deputation for dealings with the Russian envoy Jakob Sievers.

[5] With the money he received from Russia for signing the partition acts, he bought the palace in Nieborów together with the surrounding land in 1774.