Michał Jerzy Poniatowski

Prince Michał Jerzy Poniatowski (12 October 1736 – 12 August 1794) was a Polish nobleman.

His Excellency Michał Jerzy Poniatowski
Archbishop of Gniezno Primate of Poland
portrait by Marcello Bacciarelli (National Museum in Poznań) - a studio copy of the same work is in the Royal Castle, Warsaw
Born	(1736-10-12)12 October 1736 Gdańsk, Poland
Died	12 August 1794(1794-08-12) (aged 57) Warsaw, Poland
Noble family	Poniatowski
Father	Stanisław Poniatowski
Mother	Konstancja Czartoryska

Abbot of Tyniec and Czerwińsk (opat tyniecki i czerwinski), Bishop of Płock and Coadjutor Bishop of Kraków (koadiutor krakowski) from 1773, and Archbishop of Gniezno and Primate of Poland from 1784.

He was made a knight of the Order of the White Eagle on 25 November 1764. Nine days later, on 4 December, he was made a prince by his brother, the last king of Poland, Stanisław August Poniatowski.

He was made a royal member of the Royal Society in 1791.^[1]