Princess Apolonia Poniatowski (17 January 1736 – 1814) was a Polish noblewoman, the sister-in-law of the King of Poland, Stanisław August Poniatowski.

Apolonia Ustrzycka
Coat of armsPrzestrzał
Full name
Apolonia Ustrzycka herbu Przestrzał
Born(1736-01-17)17 January 1736
Przemyśl
Died1814 (aged 77–78)
unknown
Noble familyUstrzycki
Lubomirski (by marriage)
Poniatowski (by marriage)
Spouse(s)Antoni Lubomirski
Kazimierz Poniatowski
IssueStanisław Poniatowski
Konstancja Poniatowska
Katarzyna Poniatowska
FatherBazyli Ustrzycki
MotherKatarzyna Zielonka

Biography

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She was the daughter of Bazyli Ustrzycki (1715-1751), castellan of Przemyśl and his second wife, Katarzyna Zielonka (b.1715). She married Prince Antoni Lubomirski in 1749, and Prince Kazimierz Poniatowski on 21 January 1751.

In 1763, her brother-in-law was elected king of Poland. She became the mother of Stanisław, Grand Treasurer of Lithuania, and Konstancja Poniatowska.

Her second marriage was unhappy. Her husband was known for his love life and was famously one of the clients of Henrietta Lullier.

References

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  • Polski Słownik Biograficzny; t. 18 str. 6: psb.15683.6, t. 27 str. 444: psb.23687.4, t. 27 str. 481: psb.23692.3
  • W. Dworzaczek; („Genealogia” i „Teki Dworzaczka”) - dw.4882, dw.9101