Prince AugustAleksanderCzartoryski (1697-1782) was a Polish noble (szlachcic), magnate, and founder of the family fortune.
August became Major-General of the Polish Army in 1729, voivode of the Ruthenian Voivodship in 1731, General Starost of Podolia in 1750-1758, and a Knight of Malta.
In the reign of August III, with his brother Michał he was a leader of the "Familia." During the interregnum of 1763-1764 he strove for the Polish crown for himself, later for his son Adam Kazimierz.
It was at the end of the 17th century that Prince Kazimierz Czartoryski (1674-1741) Duke of Klewan and Zukow, Castellan of Vilnius an intelligent and ambitious man who married Isabella Morstyn, the daughter of the Grand Treasurer of Poland, in 1693.
The family became known and powerful under the lead of brothers Michał Fryderyk Czartoryski and AugustAleksanderCzartoryski in the late Polish-Lithuanian Commonwealth of the 18th century, during the reigns of monarchs Augustus II the Strong and Stanisław Leszczyński.
The Czartoryski's Familia have seen the decline of the Commonwealth and the rise of anarchy and joined to camp which was determined to press ahead with the reforms, thus they sought the enactment of such constitutional reforms as the abolition of the liberum veto.