Antonina Domańska was born in September 1853 in Kamieniec Podolski (now in Ukraine). The exact date of birth is unknown. She was a daughter of physician Aleksander Kremer and Modesta Płońska. She was the aunt of a poet Lucjan Rydel. In 1865 she moved to Kraków (Cracow). She met her future husband, Stanisław Domański there. He was a physician. She was present at Lucjan Rydel's wedding in the village of Bronowice near Kraków in 1900. This is why she was portrayed in the drama "Wesele" ("The Wedding") by Stanisław Wyspiański. She died in on 26 January 1917.