| Father | Cornelius Willemse Couwenhoven (1672 - 1736) |
| Mother | Margaretta Schenck (1678 - 1751) |
| Sibling | William Couwenhoven (1700 - 1755) |
| Sibling | Altje Couwenhoven (1701 - ) |
| Sibling | Leah Couwenhoven (1702 - ) |
| Sibling | ANNETJE Couwenhoven (1703 - 1759) |
| Sibling | Neeltje Couwenhoven (1705 - ) |
| Sibling | Roelof Couwenhoven (1706 - ) |
| Sibling | Jannetje Couwenhoven (1708 - ) |
| Sibling | Maria Couwenhoven ( - ) |
| Sibling | Saartje Couwenhoven (1711 - ) |
| Sibling | Rachel Couwenhoven ( - 1801) |
| Sibling | Margaret Couwenhoven ( - ) |
| Sibling | Jacometje Couwenhoven ( - ) |
| Sibling | Catarina Couwenhoven ( - ) |