Jacob Leeuwis
| Family | Pedigree | Reports |
| Jacob Leeuwis |
| b. 18 Jun 1929 |
| d. |
| Adriaan Cornelis Leeuwis |
| b. 14 Sep 1899 |
| d. |
| Antonia Maria Mortier |
| b. 13 Sep 1901 |
| d. |
| Family | Pedigree | Reports |
| Jacob Leeuwis |
| b. 18 Jun 1929 |
| d. |
| Adriaan Cornelis Leeuwis |
| b. 14 Sep 1899 |
| d. |
| Antonia Maria Mortier |
| b. 13 Sep 1901 |
| d. |