| Family |
Irmanilda Matilda Petgen, b. 31 Jul 1900, Pittsburgh, Allegheny County, Pennsylvania, USA , d. 30 Jun 1981, Pittsburgh, Allegheny County, Pennsylvania, USA (Age 80 years) |
| Children |
| | 1. Lawrence Joseph Hufnagel |
| | 2. Irma Marie Hufnagel, b. 23 Aug 1929, Pittsburgh, Allegheny County, Pennsylvania, USA , d. 30 Apr 2011, Pittsburgh, Allegheny County, Pennsylvania, USA (Age 81 years) |
| | 3. Richard G. Hufnagel |
| | 4. Joseph Hufnagel |
| | 5. William Regis Hufnagel, b. 25 Nov 1940, Pittsburgh, Allegheny County, Pennsylvania, USA , d. 13 Jan 1999, Pittsburgh, Allegheny County, Pennsylvania, USA (Age 58 years) |
|