♥ = Vorfahren Johann Heinrich MERCKENS >
| (1695-1767)x1722
Wilhelm Heinrich MERCKENS | Mechthild Gertrud OTTEN >
| (1736-1798)x1770 (1695-1759)
Gerhard Wilhelm MERCKENS |
| (1785-1846)x1813 | Heinrich COX > ♥
| | | (1706-1788)x1730
| | Sara COX | Anna STEINHAUER > ♥
| (1745-1819)x1770 (1705-1765)
Ernst Reinhold MERCKENS |
| (1822-1881)x1850 | Gerhard NICKEL > ♥
| | | (1712-....)x1744
| | Johann Gerhard NICKEL | Katharina SIMONS >
| | | (1757-....)x1790 (1716-....)
| | Anna Margaretha Jakobina NICKEL | ___________________________
| (1792-....)x1813 | |
| | Maria Magdalena PFAFF |___________________________
| x1790
|--Friederika Albertina MERCKENS
| (1856-....) Johannes BÖCKERS >
| | x1754
| Johann Heinrich BÖCKERS | Katharina Gertrud KLEY
| | (1759-....)x1789
| Johann Gerhard BÖCKERS | ___________________________
| | (1790-....)x1823 | |
| | | Helena CROON |___________________________
| | x1789
| Helena Sophia BÖCKERS | ___________________________
(1825-1887)x1850 | |
| Heinrich NIECKEN |___________________________
| | (1760-....)x1794
| Maria Agnes Barbara NIECKEN |
(1800-....)x1823 | Johann Adam GREIFFENBERG
| | x1760
| Anna Sophia GREIFFENBERG | Anna Sophia BUCHHACKER > ♥
(1765-....)x1794 (1736-....)