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The family issued 15 senators in the First Polish Republic (1574-1795), one senator of the Polish Kingdom (1819-1831), 4 Knights of the Order of the White Eagle, 4 Knights of the Order of Virtuti Militari in the Napoleonic era and 2 during the November Uprising 1830-31, 1 Knight of Malta and 3 canonesses of Warsaw.
It is named for the Polish general Tadeusz Kościuszko, who assisted United States military efforts during the American Revolution.