Rainham Builders
Family: Wilhelm Martens / Anna Jantzen (F74)
Anna Jantzen (1759-1807) 
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| Katherina Martens (1774-1847) |
| Anna Martens (1778-1796) |
| Jacob Martens (1784-1815) |
| Margaretha Martens (1788-1840) |
| Wilhelm Martens (1798-1832) |
| Elisabeth Martens (1776-1794) |
| Wilhelm Martens (1781-1845) |
| Maria Martens (1790-1854) |
| Frantz Martens (1796-1872) |