Katarzyna Karolina Radziwiłł

The House of Radziwiłł is a Polish princely family of Lithuanian origin, and one of the most powerful magnate families originating from the Grand Duchy of Lithuania and later also prominent in the Crown of the Kingdom of Poland. Part of the representatives of the Radziwiłł family were known for their persistent and consistent struggle for the independence of the Grand Duchy of Lithuania and for their crucial role in preserving the Grand Duchy of Lithuania as a separate state in the 16th and 17th centuries.