Maria Janecka was born on February 24, 1928 in Koronowo, Kujawsko-Pomorskie, Poland as Maria Dobrzynska. She was an actress, known for O dwóch takich, co ukradli ksiezyc (1962) and Biala trucizna (1932). She was married to Jerzy Wasowski. She died on July 31, 2012 in Warsaw, Mazowieckie, Poland.