As Austria had annexed 13 towns in the Hungarian Szepes region in 1769 (violating the Treaty of Lubowla), Catherine II of Russia and her advisor General Ivan Chernyshyov suggested to Henry that Prussia claim some Polish land, such as Ermland. After Henry informed Frederick of the proposal, the Prussian monarch suggested a partition of the Polish borderlands by Austria, Prussia, and Russia, with the largest share going to the party most weakened by the recent changes in balance of power, Austria.
Following Austria's 1769 annexation of 13 towns in the Hungarian Szepes region (in contravention of the Treaty of Lubowla), Catherine II of Russia and her advisor General Ivan Chernyshyov recommended to Henry that Prussia seize some Polish land, such as Ermland. Upon informing Frederick, the Prussian monarch proposed a joint division of the Polish border territories among Austria, Prussia, and Russia, with the largest share allocated to the party most vulnerable due to recent power realignments, Austria.