| Father | Lammert Lammersen van Blarcum |
| | Baptized | 6 January 1737 |
| | Deceased |
| Mother | Neeltjen Lammersen Wilkes |
| | Deceased |
| Sister | Anna Lammers born 10 March 1759 |
| Sister | Maria born 1 May 1761 |
| Brother | Lambert born 24 July 1763 |
| Brother | Wilhelmus born 30 December 1769 |
| Sister | Lena born 6 January 1770 |
| Brother | Wilhelmus born 30 December 1770 |
| Sister | Gertrudis born 17 July 1772 |
| Sister | Gertrudis born 13 November 1773 |
| Sister | Maria born 26 December 1774 |
| Brother | Wilhelmus born 22 March 1776 |
| Sister | Gertrudis Lammerse born 22 February 1779 |
| Brother | Theodorus born 10 February 1781 |
