Background
Katarzyna was the daughter of Janusz Skumin Tyszkiewicz and Barbara Naruszewicz.
Katarzyna was the daughter of Janusz Skumin Tyszkiewicz and Barbara Naruszewicz.
Her marriage to Aleksander Ludwik Radziwiłł, led to the conflict between Aleksander Ludwik Radziwłł and Jeremi Wiśniowiecki over the inheritance of Konstanty and Janusz.