| Father | Harry E. RITTENHOUSE Sr. ( - 2001) |
| Mother | Sylvia E. REBMAN ( - 2001) |
| Sibling | Harry E. RITTENHOUSE Jr. ( - 2000) |
| Sibling | Ruth E. RITTENHOUSE (1918 - 2000) |
| Sibling | Esther M. RITTENHOUSE ( - 2012) |
| Sibling | Virginia R. RITTENHOUSE (1928 - 2012) |
| Sibling | Paul M. RITTENHOUSE ( - 2012) |
| Sibling | Charles L. RITTENHOUSE ( - ) |
| Sibling | Gladys R. RITTENHOUSE ( - 2012) |
| Sibling | Helen J. RITTENHOUSE ( - 2012) |
| Sibling | James O. RITTENHOUSE ( - ) |
| Sibling | Mary M. RITTENHOUSE ( - ) |
| Sibling | Hazel F. RITTENHOUSE ( - 2019) |
| Sibling | Thelma A. RITTENHOUSE (1943 - 2001) |