| David Hackmann (1854 - 1931) |
|
| Hendrina Johanna Lehman de Lehnsfeld (1859 - 1940) |
| Joannes Theodorus Hackmann | Christina Juliana Wilmans |
| *. 16-11-1883, Amsterdam ~. p. †. 30-6-1971, Amsterdam [ ]. 2-7-1971, Amsterdam opl. ber. spoorwegarbeider (1911), voorman NS |
*. 18-9-1878, Amsterdam ~. p. †. 9-12-1952, Amsterdam [ ]. opl. ber. zonder beroep (1902) |
| Echtgenoten: 1, 2 |