Leokadia Pancewicz-Leszczynska was born on November 8, 1888 in Warsaw, Poland, Russian Empire as Leokadia Rzecznik. She was an actress, known for Barbara Radziwillówna (1936), Halka (1937) and Trzy serca (1939). She died on December 26, 1974 in Warsaw, Mazowieckie, Poland.