| Male Jan van Leeuwen |
| Birth | 9 Aug 1715 | Gouda, Zuid Holland, The Netherlands |
| Death | 28 Jan 1771 | Gouda, Zuid Holland, The Netherlands |
| Burial | ||
| Marriage | 26 May 1738 [1] | Gouda [1] |
| Father | Josua van Leeuwen | F26 Group Sheet | |
| Mother | Weina Jans Swart | F26 Group Sheet | |
| Female Johanna Blom |
| Birth | 16 Feb 1717/1718 | Gouda, Zuid Holland, The Netherlands |
| Death | ||
| Burial | ||
| Father | Isaak Reyniersz Blom | F30 Group Sheet | |
| Mother | Ariaantje Koene van Hofwegen | F30 Group Sheet | |
| Male + Cornelis van Leeuwen |
| Birth | 1 Feb 1746/1747 | Gouda, Zuid Holland, The Netherlands |
| Death | 18 Apr 1816 | Gouda, Zuid Holland, The Netherlands |
| Burial | ||
| Spouse | Hester Gerredina Commies | F20 | |
| Marriage | 19 Aug 1770 | Gouda, Zuid Holland, The Netherlands |