According to her Geni.com notes, she was “…Daughter of Alfred Jakub Dunin-Borkowski h. Łabędź and Olga Aleksandra Dunin-Borkowska; Wife of Zygmunt Alfons Taczanowski h. Jastrzębiec and Ladislaus Hengelmüller v. Hengervar; Mother of Felicja Taczanowska…” Her second husband, Ladislaus Hengelmüller von Hengervár, was long standing Austrian ambassador to the US served Austria throughout Europe, Brazil, and the US. He was ambassador in the US from 1894 until his retirement in 1912.