| Father | Male Maximilian Grooss |
| Born | cir 1790 | Germany |
| Died | ||
| Buried | ||
| Married | 23 May 1821 | Lommersum, Kreis Euskirchen, Nordrhein-Westfalen, Germany |
| Father | ||
| Mother | ||
| Mother | Female Anna Catherine Jonen |
| Born | 08 Apr 1791 | Lommersum, Kreis Euskirchen, Nordrhein-Westfalen, Germany |
| Died | ||
| Buried | ||
| Father | Heinrich Johnen | F33046 Group Sheet | |
| Mother | Adelheidis Hensberg | F33046 Group Sheet | |