This was not so easy, but:
There was HEPONIEMI (farm name) family in Kuusamo (Family name was written sometimes also as Pitkänen).
Father Emanuel, b. 1.3.1833, farmer
Mother Riitta Stina, b. 22.12.1834. d.12.8.1885. They had son Gustaf Emanuel, b. 27.3.1867. There is a note for Gustaf in the book of church 1884-1895. "In the America about 5 years". This is a newest book in Internet.
There are some brothers and sisters.
What you think? Pages I used are open only for members of the Finnish genealogy society. I'm not sure if they are in the open pages also.