1845-Yes, date unknown
| Henry Melden Derx | |
| B: | 1845 |
| Danvers, Essex, Massachusetts, USA | |
| D: | Yes, date unknown |
1847-Yes, date unknown
| Nicholas Conrad Derx | |
| B: | 17 Mar 1847 |
| D: | Yes, date unknown |
1849-Yes, date unknown
| Laona Arabella Derx | |
| B: | 26 Aug 1849 |
| D: | Yes, date unknown |
1807-Yes, date unknown
| Conrad Derx | |
| B: | 1 Jan 1807 |
| D: | Yes, date unknown |
1822-Yes, date unknown
| Eleanor Pierce Bisbee | |
| B: | 31 Jul 1822 |
| Lynn, Essex, Massachusetts, USA | |
| D: | Yes, date unknown |