| Son | Gilbert Rollins Knowles+ (b. 19 April 1882, d. July 1965) |
| Pedigree Chart |
| Birth | 18 December 1839 | Robertson Bentley Knowles was born on 18 December 1839 in Macomb, McDonough, Illinois, United StatesBG. |
| Marriage | 17 September 1865 | He and Sarah Nunn were married on 17 September 1865 in McDonough, Illinois, United StatesBG. |
| Death | 13 May 1915 | He died on 13 May 1915 at age 75 in Quincy, Adams, Illinois, United StatesBG. |
| Last Edited | 8 January 2020 |