A monument commemorating the latter, who died in the Battle of Mohrungen during the War of the Fourth Coalition, is located near the manor house.
A French corps led by Marshal Bernadotte had illegally violated the neutrality of Ansbach in Prussian territory on their march to face the Austrians and Russians.
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After the Polish campaign, as a lieutenant, he was appointed acting aide to General Gardanne, in the embassy of France to Persia (1807–1808); aide to General Armand Charles Guilleminot on his return in 1809; he was secretary of the Committee on Delimitation of Illyria, was promoted to captain (1810), and transferred to the Spanish army.
From 1805 onwards, Ruty took part to the campaigns of the Grande Armée during the War of the Third Coalition and War of the Fourth Coalition, serving as artillery park director for the Army Corps of Marshal Michel Ney, then Marshal Joachim Murat.
In 1806, when during the War of the Fourth Coalition, French armies approached the Vistula river, Dwernicki, together with his friend Augustyn Trzecieski, decided to find the so-called Patriotic Society, which planned an anti-Russian uprising.