1850 CENSUS montgomery co Indiana has John K Harrison age 20 living with Hudson and Rachel Harrison
Information posted on Ancestry.com, lists John K Harrison as son of Hudson and Rachel born June 1829 Preble county.
1830 Preble census lists 2 males 0-5 1 male 5-10 2 male 10-15 1 male 15-20 1 female 5-10 in household of Hudson Harrison Preble county
There is no listing for Hudson Harrison in Hinshaw Quaker records of Ohio nor in the national listing. Sources say that Hudson and some of his brothers married into Quaker families.
Also found this
"I have a link and am researching Hudson Harrison and Rachell Beeson(Rachel Beson) through their son William Riley Harrison(Married Nov. 13, 1833 to Sarah Stover(born Jan. 13, 1816) I have more from a family Bible. Just found you through Gendex. Thanks! Suzanne Trelease San Diego, CA USA - Thu Jan 8 20:57:54 1998"