Antoni Radziwiłł
Prince Antoni Henryk Radziwiłł was a Polish and Prussian noble, aristocrat, musician, and politician. Initially a hereditary Duke of Nieśwież and Ołyka, as a scion of the Radziwiłł family he also held the honorific title of a Reichsfürst of the Holy Roman Empire. Between 1815 and 1831 he acted as Duke-Governor of the Grand Duchy of Posen, an autonomous province of the Kingdom of Prussia created out of Greater Polish lands annexed in the Partitions of Poland.
13 June 1775
Born on the same birth day (13 June): Andrzej Morozowski • Ben Johnson (actor) • Bruno Frank • Cayetana Guillén Cuervo • Dicky Thompson • Erica Wiebe • Ernest of Bavaria (1500–1560) • Ethan Embry • Jules Bordet • Kym Marsh • Luis Walter Alvarez • Ron Areshenkoff • Tanner Foust • William Sealy Gosset
Born in the same month (June 1775): Karl Freiherr von Müffling