About Aleksander Janusz Zasławski
Lived 1650 – 1682 (aged 31–32). Aleksander Janusz Zasławski was a Polish aristocrat.
Prince Aleksander Janusz Zasławski-Ostrogski (1650–1682) was the last male representative of the Ostrogski princely line. He was the 4th ordynat of the Ostrogski family fee tail.
Biography Son of Prince Władysław Dominik Zasławski and Katarzyna Sobieska, daughter of magnate Voivode of Bełz and Ruthenia Jakub Sobieski h. Janina, the sister of King of Poland Jan III Sobieski.
In 1669, he aspired to become Polish King by election but, in the event, the throne went to Michał Korybut Wiśniowiecki. In 1670, Prince Zasławski founded a Jurydyka in Warsaw on Magdeburg rights, which was named Alexandria in his honour. In this place was built Palace by Janusz Ostrogski.
Alexander died in 1682 leaving no successors, whole fortune of both Ostrogski and Zasławski families was inherited by Józef Karol Lubomirski because of his marriage to Teofila Ludwika Zasławska, sister of Aleksander Janusz Zasławski.
Ancestry
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Frequently asked questions
Who was Aleksander Janusz Zasławski?
Polish noble
When was Aleksander Janusz Zasławski born?
Aleksander Janusz Zasławski was born in 1650.
When did Aleksander Janusz Zasławski die?
Aleksander Janusz Zasławski died in 1682.
What was Aleksander Janusz Zasławski's occupation?
Aleksander Janusz Zasławski was an aristocrat.
What nationality was Aleksander Janusz Zasławski?
Aleksander Janusz Zasławski was Polish.
Sources & further reading
· Wikipedia: Aleksander Janusz Zasławski
· DBpedia: Aleksander Janusz Zasławski
Cite this page
APA: Biography.guide. (2026). Aleksander Janusz Zasławski. https://biography.guide/aleksander-janusz-zaslawski/
MLA: "Aleksander Janusz Zasławski." Biography.guide, https://biography.guide/aleksander-janusz-zaslawski/.
Chicago: "Aleksander Janusz Zasławski." Biography.guide. https://biography.guide/aleksander-janusz-zaslawski/.
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