 Robert Harrison Johnson, son of Henry Green Johnson and Martha Smith.Born 25 Mar 1842 Logan County Ohio, died 28 May 1901 Decatur Iowa, 59 years Married 3 Jul 1862 Hardin Co., Ohio (38 years married) to:  Nancy Ann Marie CampbellMarried name: Johnson, born 16 Mar 1845, died 8 May 1903, 58 years Child: 1. Mary Isabell JohnsonBorn 27 Jun 1872 Mercer County Missouri, died 7 Oct 1943 decatur Iowa, 71 years | |||