John Harrison and Amanda Fortner

John Harrison, 1838-1893, married Amanda Fortner, 1843-1908, about 1859. Amanda Fortner is the daughter of Nathan Fortner, Jr.

John and Amanda Harrison are listed on the death certificate of their daughter, Leona Harrison Miller. Amanda's maiden name is mistakingly spelled Portner.

In the 1870 Chickasaw county, MS census, In the 1870 Chickasaw county, MS census, John and Amanda are listed with their first 3 children: Nathan, Allie and Lena. Also listed in their household is John H. Steward, age 8. No relationship is given. Who was John H. Steward?