Izak Simon Walg
| Family | Pedigree | Reports |
| Izak Simon Walg |
| b. 12 Jan 1853 |
| d. |
| Simon Gabričel Walg |
| b. 24 Aug 1822 |
| d. 27 Sep 1899 |
| Roosje Wijzenbeek |
| b. 30 Oct 1826 |
| d. 9 Jan 1898 |
| Gabriel Benjamin Walg |
| b. |
| d. 25 Nov 1871 |
| Aaltje Ruben Vorst |
| b. |
| d. 3 Dec 1879 |
| Ruben Walg |
| b. |
| d. |
| Rachel Simon van Houten |
| b. |
| d. |
| Ruben Jacob Vorst |
| b. abt 1761 |
| d. 20 Feb 1832 |
| Hendrina Samuel Hakker |
| b. abt 1753 |
| d. 20 Nov 1843 |