| Father | Joseph T. Backes (1877 - 1950) |
| Mother | Benedicta Willenbring (1881 - 1957) |
| Sibling | Raymond "Ray" P. Backes (1904 - 1982) |
| Sibling | Louise Backes (1905 - 1963) |
| Sibling | Leander Backes (1907 - 1995) |
| Sibling | Susan Backes (1908 - ) |
| Sibling | Bertha Backes (1910 - 1993) |
| Sibling | Verina Backes (1913 - 1986) |
| Sibling | Harold M. Backes (1914 - 2006) |
| Sibling | Albin Backes (1915 - 2005) |
| Sibling | Herbert John Backes (1918 - 2006) |
| Sibling | Clarence A. Backes (1919 - 1999) |
| Sibling | Rita M. Backes (1922 - 2009) |
| Sibling | Arthur Quintes Backes (1924 - 1984) |