Aleksander Janusz Zasławski

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.

Aleksander Janusz Zasławski
Coat of arms	Ostrogski
Born	1650
Died	1682
Family	Zasławski-Ostrogski
Father	Władysław Dominik Zasławski h. Ostrogski
Mother	Katarzyna Sobieska h. Janina

Biography

Son of Prince Władysław Dominik Zasławski^[1] 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^[2] 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

Zofia Teofillia Daniłowicz

Jakub Sobieski

Eufrozyna Ostrogska

Aleksander Zasławski

Katarzyna Sobieska

Władysław Dominik Zasławski

Aleksander Janusz Zasławski[3]