Roger Tanaka was born 20 July 1944 in Chicago, Illinois, United States to John Tanaka (1912-1985) and Grace Sugiura (1916-1984) and died 22 September 2011 Bismarck, North Dakota, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| Dean George Tanaka (1966) | 31 July 1966 Mount Clemens, Michigan, United States | Samantha Torres (1973) | |
Siblings
| Name | Birth | Death | Joined with |
| Roger Tanaka (1944-2011) | 20 July 1944 Chicago, Illinois, United States | 22 September 2011 Bismarck, North Dakota, United States | Sharon Thomas (1946) |