Kurš apprecējās ar Michał Wiśniowiecki (1529–1584)?

Michał Wiśniowiecki or Mykhailo Vyshnevetsky (1529–1584) was a Ruthenian noble (szlachcic) of Polish–Lithuanian Commonwealth. He was a prince at Wiśniowiec, magnate, Senior of Registered Cossacks, Hetman of Zaporozhian Cossacks, castellan of Bracław and Kijów (now Kyiv), starost of Czerkasy, Kaniów, Lubeka and Łojów. Great-grandfather of the future King of Poland, Michał Korybut Wiśniowiecki.

Wisnowiecki was born before the Union of Lublin in the Grand Duchy of Lithuania.