(Notes: You may have to scroll down or right to see chart.)
| Theodora Derks | |
| B: | cir 1750 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Joannes Kopp | |
| B: | cir 1750 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Theodorus Derks | |
| B: | cir 1752 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Wilhelmina Broekhoff | |
| B: | cir 1755 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Joannes Derks | |
| B: | 10 Jan 1753 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Catharina Derks | |
| B: | 11 Dec 1754 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Helena Derks | |
| B: | 17 Feb 1757 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Theodorus Neijhuizen | |
| B: | cir 1760 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Reijnerus Derks | |
| B: | 26 Mar 1759 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Matthias Derks | |
| B: | 11 Apr 1761 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Christiaen Derks | |
| B: | 08 Dec 1763 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Catharina Verheijen | |
| B: | cir 1780 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| George Derks | |
| B: | 08 Apr 1847 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| D: | 17 Nov 1910 |
| Charlotte Gravelle | |
| B: | 03 Jul 1848 |
| D: | 31 Oct 1915 |
| John Derks | |
| B: | 17 Jan 1851 |
| Little Chute, Outagamie, Wisconsin | |
| D: | 08 Dec 1926 |
| Stanley, Chippewa Co, Wisconsin | |
| Maria DeGroot | |
| B: | 02 Sep 1857 |
| Little Chute, Outagamie, Wisconsin | |
| D: | 19 Feb 1932 |
| Boyd, Chippewa Co, Wisconsin | |
| Regina Maria Derks | |
| B: | 24 Oct 1854 |
| Kaukauna, Outagamie, Wisconsin | |
| Marie Helena Derks | |
| B: | 06 Apr 1859 |
| Kaukauna, Outagamie, Wisconsin | |
| Nicolaus Ludovicus Dercks | |
| B: | 15 Mar 1861 |
| Little Chute, Outagamie, Wisconsin | |
| D: | 28 Oct 1940 |
| Wilhelmina VandenHeuvel | |
| B: | 10 Aug 1862 |
| Little Chute, Outagamie, Wisconsin | |
| D: | 11 Jun 1950 |
| Heinrich Dercks | |
| B: | 26 Nov 1806 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| D: | 27 May 1887 |
| Hendrina Bomkamp | |
| B: | 25 Jul 1819 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| D: | 25 Mar 1898 |
| Johan Derks | |
| B: | 07 Apr 1813 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Johanna Holland | |
| B: | 09 Jan 1815 |
| Lent, Gelderland, Netherlands | |
| Petronella Dercks | |
| B: | 14 Sep 1817 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Wilhelmus VandenBosch | |
| B: | 02 Apr 1810 |
| Udenhout, Noord Brabant, Netherlands | |
| Gerhard Dercks | |
| B: | 03 Feb 1766 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Theodora Knipping | |
| B: | 09 Nov 1777 |
| Erlecom, Gelderland, Netherlands | |
| Petronella Derks | |
| B: | 16 Dec 1767 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
|
| Jacobus Derks | |
| B: | cir 1725 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |
| Maria Gerards | |
| B: | cir 1730 |
| Zyfflich, Kranenburg, North Rhine-Westphalia, Germany | |