

Polish noble
Polish–Lithuanian Commonwealth
Białystok Cathedral
Izabella Poniatowska (* 1. July 1730 in Vowchyn; † 1. January 1801 in Białystok) was a polish noble. She was 70 years old. She was married to Jan Klemens Branicki and Andrzej Mokronowski. She was buried at Białystok Cathedral.