Jonas Gustaf Granström, farmer in Svensby, Piteå rural parish, had a son by name Frans Algot Granström, born 4 October 1887, who emigrated to North America in 1906, possibly to join two older siblings. Jonas Gustaf himself was born 3 February 1852, according to the household record.
He should also be in the moving out record but I haven't found him
Piteå landsförsamling (BD) B:5 (1895-1917) Image 560 / page 102 (AID: v138640.b560.s102, NAD: SE/HLA/1010154) - Sälgö-1 09:29, 24 April 2017 (EDT)
"United States Census, 1930," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/XCSW-FG6 : accessed 27 Oct 2014), Frank Granstrom, Portland (Districts 271-553), Multnomah, Oregon, United States; citing enumeration district (ED) 0453, sheet 4B, family 82, NARA microfilm publication T626, roll 1953.
"United States Census, 1940," index and images, FamilySearch (https://familysearch.org/pal:/MM9.1.1/VRTB-TSM : accessed 27 Oct 2014), Frank A Granstrom, Tract 36, Portland, Portland City Election Precinct 340, Multnomah, Oregon, United States; citing enumeration district (ED) 37-450, sheet 3A, family 57, NARA digital publication of T627, roll 3393.
It may be possible to confirm family relationships with Frank by comparing test results with other carriers of his Y-chromosome or his mother's mitochondrial DNA.
Y-chromosome DNA test-takers in his direct paternal line on WikiTree: