Sophie, Duchess of Hohenberg
Prince Stanisław Albrecht "Stash" Radziwiłł (21 July 1914 – 27 July 1976) was a Polish nobleman and a scion of the Polish-Lithuanian princely House of Radziwiłł. His parents were Janusz Franciszek, Prince Radziwiłł (1880–1967) and Princess Anna Lubomirska (1882–1947). Stanisław had two elder brothers, Edmund Radziwiłł (1906–1971) and Ludwik Radziwiłł (1911–1928). Through his father, Stanislaw Albrecht was second cousin twice removed of Sophie, Duchess of Hohenberg, wife of the heir to the Austro-Hungarian throne Archduke Franz Ferdinand of Austria.