My Grandfather is Martti Väisänen, he is from Savukoski, Finland (Lapland), below is some detailed information about his father Edward Väisänen. According to below, he originally came from Kainuu, Finland.
Family of Edward Väisänen is from Kainuu region, town of Mainua. His father was a "metsanvartija", basically owned land and took care of it. 3 Sisters and brothers he got - Kalle, Eemeli and Hilja
All of them are no longer living.
Hilja (she) was married to a man with lastname *Huusko*.
Eemeli got a son named Tauno Väisänen, he was a lawyer/judge, also Aimo, who was a doctor of some sort (Weather kind). Tauno also had a son, his name is Erkki Väisänen, he was a Psychiatrist, worked in Oulu last time my mother heard about him.
Kalle had a son named Eemi Väisänen, he was an Engineer, also he had another son named Martti (not my Grandfather), he was an architect.