duke Constantine Vishnevetsky, Jr.

Prince Konstanty Wiśniowiecki (1564–1641), Wojewoda Belski (Palatine of Belz) 1636, Wojewoda Ruski (Palatine of Ruthenia) 1638, and Starosta Czerkaski i Kamionecki was a wealthy, powerful and influential magnate, experienced in both politics and warfare.

He was married four times:

   * circa 1583 Anna Zahorowska; had issue

         o son Janusz Wiśniowiecki (1598–1636), daughters Helena Wiśniowiecka (married Stanisław Warszycki) and Marianna Wiśniowiecka (1600–1624; married Jakub Sobieski)

   * 1603 Urszula Mniszech, sister of Maryna Mniszech; had issue

         o sons Jerzy Wiśniowiecki (died 1641) and Aleksander Wiśniowiecki (died 1638/39), daughter Teofila Wiśniowiecka

   * 1626/28 Katarzyna Korniaktowna (died circa 1635); no issue

   * Krystyna Strusiowna (died after 1647); no issue

Wiśniowiecki outlived all of his three sons; after his death, his estate was inherited by Prince Jeremi Wiśniowiecki.

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