| Frercks, Dirck | St. Stephani | 1800 | ||
| Frercks, Dirk | St. Stephani | 1800 | 5 | |
| Frercks, Gustaves | Kind | St. Pauli | 1717 | 71 |
| Frercks, Gustaves | Kind | St. Pauli | 1720 | 170 |
| Frercks, Hinrich | St. Stephani | 1702 | 125 | |
| Frercks, Joh. Hinr. | Sohn | St. Pauli | 1783 | 188 |
| Frercks, Johan | Frau | St. Pauli | 1684 | 1087 |