Father:
- Richard Neffendorf (*1891 - †1961)
Mother:
- Frieda Friedrich (*1895 - †1970)
Siblings:
- Laura Neffendorf (*1916 - †?)
- Raymond Neffendorf (*1918 - †1970)
- Edna Neffendorf (*1920 - †?)
- Felix Neffendorf (*1922 - †?)
- Vera Neffendorf (*1924 - †?)
- Margaret Neffendorf (*1926 - †1928)
- William Neffendorf (*1929)
- Richard A. Neffendorf Jr. (*1930)
- James D. Neffendorf (*1932)
- Bernice R. Neffendorf (*1934)
- Frieda Neffendorf (*1938)
Wife:
- Betty Whitmire (*1942)
Children:
- Terry Elizabeth Neffendorf (*1962)
- Mary Cathryn Neffendorf (*1964)
Branch:
Birth:
- Feb 29, 1936
Wedding:
- May 27, 1961
- (Betty Whitmire)