Janusz I of Warsaw died in 1429.
Janusz Rzeszewski died on October 2, 2007, in Warsaw, Mazowieckie, Poland.
Janusz Strachocki died on December 29, 1967, in Warsaw, Mazowieckie, Poland.
Janusz Cywinski died on January 5, 1989, in Warsaw, Mazowieckie, Poland.
Janusz Dziewonski died on December 6, 1953, in Warsaw, Mazowieckie, Poland.
Janusz Domagalik died on December 27, 2007, in Warsaw, Mazowieckie, Poland.
Janusz Bylczynski died on September 30, 1990, in Warsaw, Mazowieckie, Poland.
Janusz Nasfeter died on April 1, 1998, in Warsaw, Mazowieckie, Poland.
Janusz Nowacki died on February 14, 1956, in Warsaw, Mazowieckie, Poland.
Janusz Ossowski died on May 9, 2007, in Warsaw, Mazowieckie, Poland.
Janusz Morgenstern died on September 6, 2011, in Warsaw, Mazowieckie, Poland.
Janusz Ziejewski died on November 26, 1973, in Warsaw, Mazowieckie, Poland.
Janusz Warnecki died on February 4, 1970, in Warsaw, Mazowieckie, Poland.