Seppo Siitonen's birth name is Seppo Ilmari Siitonen.
Hannu Siitonen was born on March 18, 1949.
Eva-Riitta Siitonen was born in 1940.
Erkki Siitonen was born on June 15, 1908, in Viipuri, Finland.
Matti Siitonen was born on July 23, 1942, in Mikkeli, Finland.
Hannu Siitonen was born on March 18, 1949.
Seppo Suoraniemi was born in 1951.
Seppo Hovinen was born in 1951.
Seppo Harjanne was born in 1948.
Seppo Repo was born in 1947.
Seppo Lindström was born in 1941.
Seppo Ahokainen was born in 1952.