 | Kolonel Constantin Ollongren (1828-1874) 
|
Alexandra Petrovna Okonisjnikov (1838- ) |
| Peter Ollongren (1858- ) |
| Minister of State Constantin Ollongren (1860-1920)  |
| Elizabeth Ollongren (1862- ) |
| Alexander Ollongren (1869-1873) |
| Kolonel Vladimir Ollongren (1867-1943)
|
| Helena Kukuran ( -1939) |
