Zenon Wasilewski was born on October 30, 1903, in Sosnowiec, Poland, Russian Empire [now Sosnowiec, Slaskie, Poland].
Edward Wasilewski died in 1968.
Leon Wasilewski died on 1936-12-10.
Henryk Wasilewski died on April 2, 2013.
Zenon Kossak died in 1939.
Zenon Bortkevich died in 2010.
Zenon Świętosławski died in 1875.
Zenon Stefaniuk died in 1985.
Zenon Kuzela died in 1952.
Zenon Klemensiewicz died in 1969.
Zenon Friedwald died in 1976.
Zenon Waraszkiewicz died in 1946.