| Father | Isaak van Blarcom |
| | Baptized | 9 May 1736 |
| | Deceased |
| Mother | Sarah Kearns |
| | Baptized | 16 December 1735 |
| | Deceased |
| Sister | Cornelia born 11 February 1757 |
| Sister | Jannetje bapt. 11 October 1758 |
| Brother | Johannes bapt. 28 October 1759 |
| Brother | Johannes bapt. 14 November 1762 |
| Sister | Sarah bapt. 4 September 1764 |
| Sister | Mary bapt. 10 February 1767 |
| Sister | Rachel bapt. December 1768 |
| Sister | Hannah bapt. 27 January 1771 |
| Brother | William bapt. 20 April 1773 |
| Brother | Isaac born 28 December 1774 |
| Brother | Daniel born 26 January 1779 |
| Sister | Martha bapt. 9 November 1781 |
