
| Name | Johannes Josephus Mayer | |
| Birth | 30 Sep 1827 | Bruchhausen, Rheinland-Pfalz, Germany |
| Gender | Male | |
| Death | 17 Oct 1910 | Meyer, Mitchell, Iowa, USA |
| Father | Michael Jacob Mayer, b. 2 Apr 1796, Mosbruch, Daun, Rhineland-Palatinate, Germany d. 30 Oct 1851, Allscheid, Vulkaneifel, Rheinland-Pfalz, Germany (Age 55 years) | |
| Mother | Anna Maria Halfmann, b. 10 Mar 1805, Nurburg, Bruchhausen, Diepholz, Niedersachsen, Germany d. 19 Jan 1840, Allscheid, Vulkaneifel, Rheinland-Pfalz, Germany (Age 34 years) | |