1956-
| Christine Louise STEFFY | |
| B: | 18 Sep 1956 |
| Henry Alexander APOSTAL, II | |
| B: | 10 Jan 1964 |
| M: | 27 Nov 1992 |
1957-
| Suzanne E. STEFFY | |
| B: | 3 Dec 1957 |
1959-
| Judith M. STEFFY | |
| B: | 9 Nov 1959 |
1962-
| David Matthew STEFFY | |
| B: | 18 Jan 1962 |
1927-2000
| Patricia Ann GODDERZ | |
| B: | 12 Apr 1927 |
| Springfield, Sangamon, Illinois | |
| D: | 19 Oct 2000 |
| Woodridge, DuPage, Illinois | |
1928-1983
| Richard Edgar STEFFY | |
| B: | 14 Jun 1928 |
| Youngstown, Mahoning, Ohio | |
| M: | 6 Dec 1952 |
| Bernalillo, New Mexico | |
| D: | 29 Aug 1983 |
| Woodridge, DuPage, Illinois | |