Children |
| 1. Johann Onkels, b. 10 Jun 1828, Goch, North Rhine-Westphalia, Germany |
| 2. Peter Franz Onkels, b. 19 Apr 1831, Till-Moyland, Kleve, North Rhine-Westphalia, Germany , d. 05 Jul 1910, Freedom, Outagamie Co, Wisconsin (Age 79 years) |
| 3. Henricus Onkels, b. 20 Jan 1834, Meerlo, Limburg, Netherlands |
| 4. Peeter Franciscus Hubertus Onckels, b. 29 Oct 1837, Wanssum, Limburg, Netherlands , d. 03 Nov 1838, Wanssum, Limburg, Netherlands (Age 1 years) |
| 5. Jacobus Onckels, b. 08 Feb 1841, Wanssum, Limburg, Netherlands |
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