Familie: August Eduard Hakelberg / Wilhelmine Piotrowski (F6978)
verh. 29 Sep 1873 | August Eduard Hakelberg (1846- ) |
 | Wilhelmine Piotrowski (1842- ) |
| Marie Emilie Hakelberg (1874- ) |
| Hermann Emil Hakelberg (1879- ) |
| Emma Auguste Hakelberg (1883- ) |