Prince Kazimierz Poniatowski, born Count Kazimierz Poniatowski (September 15, 1721 – April 13, 1800) was a Polish

Poland

Poland , officially the Republic of Poland , is a country in Central Europe bordered by Germany to the west; the Czech Republic and Slovakia to the south; Ukraine, Belarus and Lithuania to the east; and the Baltic Sea and Kaliningrad Oblast, a Russian exclave, to the north...

 Szlachcic, podkomorzy wielki koronny (1742–1773), generał wojsk koronnych. Knight of the Order of the White Eagle, awarded on August 3, 1744 in Warsaw

Warsaw

Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

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He was Great Podkomorzy of the Crown in 1742-1773 and General of the Crown Army. He was also created a Prince by his brother King Stanisław II August Poniatowski on December 4, 1764.

He married on January 21, 1751 Apollonia Ustrzycka (January 17, 1736–1814), by whom he had one son and two daughters:

• Prince Stanisław Poniatowski (1754–1833)
• Princess Katarzyna Poniatowska (August 25, 1756-March 1773)
• Princess Konstancija Poniatowska (March 2, 1759–1830), married on April 4, 1775 Ludwik Graf Tyszkiewicz (died 1808), hetman polny litewski i marszałek wielki litewski