Prince Michał Gedeon Radziwiłł (September 24, 1778 – May 24, 1850) was a Polish-Lithuanian szlachcic, senator, owner of the Nieborów and others properties. Related to Radziwiłł family from Nieśwież (Dominik Hieronim Radziwiłł). He took part in the Kościuszko Uprising (1794). On January 1807 colonel and commander of the Legion-du-Nord, and later the 5th regiment of infantry (Duchy of Warsaw). Took part in siege of Gdańsk, and later stationed with his regiment in Gdańsk. In 1811 general-de-brigade. In campagne 1812 commanded the brigade of infantry in the “Polish division” of general Grandjean in the Jacques MacDonald’s 10th Army Corps. He took part in defense of Gdańsk in 1813 (under general Jean Rapp) and when fortress capitulated he was taken prisoner. In 1815 he resigned his commission a