This is something you are going to have to "spend money" to figure out I think. Purchasing a copy of his application for a social security number SHOULD have his parents/birth place. If you can obtain a copy of the application for a marriage license in Hood River,as opposed to the marriage license,should have vital info. as well.
(Woe is the searcher of "Browns"--have more than one "John Brown" myself.)
There is is a volunteer here that will look up obits-might get lucky there:http://www.orgenweb.org/hoodriver/hrlookup.htm#1
Doesn't help you with John Brown, but if you are unaware of it, Virginia's birth certificate is online here-with her surname misspelled:http://genealogy.az.gov/
PICKLESINMER, VIRGINIA MAY