1954-
| Laura Ruth STEFFY | |
| B: | 28 Oct 1954 |
| Ohio | |
1992-
| Matthew David DELGADO | |
| B: | 4 May 1992 |
| Los Angeles, California | |
1957-
| Belinda Carol STEFFY | |
| B: | 25 Jan 1957 |
| Ohio | |
1953-
| Alan David DELGADO | |
| B: | 15 Oct 1953 |
| Los Angeles, California | |
| M: | 8 Aug 1981 |
| Los Angeles, California | |
1960-2006
| Paul Wayne STEFFY | |
| B: | 1 Jul 1960 |
| Southern Ryukyu Islands, Japan | |
| D: | 14 Sep 2006 |
| Florida | |
|
1932-1984
| Robert Eugene STEFFY | |
| B: | 1 Aug 1932 |
| Ohio | |
| D: | 28 Sep 1984 |
| San Bernardino, California | |
1935-2009
| Barbara Ann PITCHFORD | |
| B: | 15 Oct 1935 |
| Ohio | |
| M: | 16 Feb 1954 |
| Ohio | |
| D: | 2 Aug 2009 |
| Rialto, San Bernardino, California | |