Jan Szyszko was born in 1944.
Adolf Szyszko-Bohusz was born in 1883.
Sylwester Szyszko was born on December 8, 1929, in Turek, Wielkopolskie, Poland.
Zygmunt Bohusz-Szyszko died in 1982.
Adolf Szyszko-Bohusz died in 1948.
Jan Hanford was born in 1953.
Jan Harrison was born in 1944.
Jan Goossens was born on 1958-12-18.
Jan Bruins was born in 1940.
Jan Smit was born on December 31, 1985.
Jan Huyghebaert was born in 1945.
Jan Egeland was born in 1957.
Jan Brittin was born in 1959.