| Max Theodor Grentzenberg (1865 - 1908) |
|
| Catharina Sophia Luise Schlichting (1866 - 1935) |
| Helmut Robert Grentzenberg | Grentzenberg |
| Geb. 8.12.1903, Danzig Beru. AusB. Rel. Td. 1968, Hamburg Brd. |
Geb. Breslau Beru. AusB. Rel. ev. Td. Brd. |
| spouses: 1, 2 |
| Wolfgang Grentzenberg |