| Father | Male Wilhelmus Theunissen  | 
| Born | 07 Jun 1765 | Mook en Middelaar, Limburg, Netherlands  | 
| Died | 25 Feb 1848 | Mook en Middelaar, Limburg, Netherlands  | 
| Buried | ||
| Married | 02 Jul 1793 | Mook en Middelaar, Limburg, Netherlands  | 
| Other Spouse | Johanna Arts | F69226 | |
| Married | 21 May 1804 | Mook en Middelaar, Limburg, Netherlands  | 
| Father | Nicolas Theunissen | F72953 Group Sheet | |
| Mother | Gertrude Willems | F72953 Group Sheet | |
| Mother | Female Gertrudis Janssen  | 
| Born | 21 Aug 1774 | Mook en Middelaar, Limburg, Netherlands  | 
| Died | 16 Mar 1804 | Mook en Middelaar, Limburg, Netherlands  | 
| Buried | ||
| Father | ||
| Mother | ||
| Child 1 | Male Gerardus Theunissen  | 
| Born | 31 Aug 1793 | Mook en Middelaar, Limburg, Netherlands  | 
| Died | 10 Jan 1860 | Mook en Middelaar, Limburg, Netherlands  | 
| Buried | ||
| Spouse | Johanna Gabriels | F182203 | |
| Married | ||
| Child 2 | Male Hermanus Theunissen  | 
| Born | 24 Nov 1794 | Mook en Middelaar, Limburg, Netherlands  | 
| Died | 23 Apr 1862 | Groesbeek, Gelderland, Netherlands  | 
| Buried | ||
| Spouse | Regina Peters | F72928 | |
| Married | ||
| Child 3 | Female Joannes Theunissen  | 
| Born | 27 Oct 1796 | Mook en Middelaar, Limburg, Netherlands  | 
| Died | 11 Jan 1858 | Mook en Middelaar, Limburg, Netherlands  | 
| Buried | ||
| Spouse | Maria Agnes Neuhausen | F182201 | |
| Married | 28 Aug 1829 | Mook en Middelaar, Limburg, Netherlands  | 
| Child 4 | Female Wilhelmina Theunissen  | 
| Born | 22 Nov 1798 | Mook en Middelaar, Limburg, Netherlands  | 
| Died | 03 Sep 1849 | Hatert, Gelderland, Netherlands  | 
| Buried | ||
| Spouse | Hermanus Sanders | F49930 | |
| Married | 10 Sep 1831 | Mook en Middelaar, Limburg, Netherlands  | 
| Child 5 | Male Antonius Theunissen  | 
| Born | 11 Jan 1801 | Mook en Middelaar, Limburg, Netherlands  | 
| Died | ||
| Buried | ||
| Spouse | Joanna Janssen | F182202 | |
| Married | 07 Aug 1837 | Mook en Middelaar, Limburg, Netherlands  | 
| Child 6 | Male Cornelius Theunissen  | 
| Born | 01 Dec 1803 | Mook en Middelaar, Limburg, Netherlands  | 
| Died | 25 Nov 1867 | Nijmegen, Gelderland, Netherlands  | 
| Buried | ||
| Spouse | Joanna Muller | F182200 | |
| Married | 07 May 1829 | Nijmegen, Gelderland, Netherlands  |