A genealogical skketch for her is here. Her brief Wikipedia article follows, "Apolonia Ustrzycka
From Wikipedia, the free encyclopedia
Apolonia Ustrzycka (17 January 1736 – 1814) was a Polish noble lady.
She married twice. The first time with Prince Antoni Lubomirski in 1749, and the second time with Prince Kazimierz Poniatowski on 21 January 1751.
Her son Stanisław became Grand Treasurer of Lithuania. Her daughter Konstancja married Hetman Ludwik Tyszkiewicz.
Bibliography
• 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”
Upgrade image from Pinterest search replacing one originally posted on 29 May 2011. Fixed bottom fifth of left edge and print from the lower right corner with Photoshop and enlarged one quarter.