C.J. Jackson was a brother of Telinda Jackson Hatfield and the son of Joseph and Lydia Jeffreys Jackson of Wilkes Co NC and Rush Co IN. His full name was Calvin Jones Jackson. Unsure of the value of the middle name, md Eliza Hood dau of Martin and Rhoda Hood later md Parthenia Gilchrist in Mahaska Co Iowa. Served in state house of rep, was justice of the Peace married nephew william son of Telinda Jackson Hatfield and Owen D Hatfield to Laura Louisa Cummings Mahaska Co Iowa 1867.