| Mogens Joachim v.Scheel-Plessen | Margarethe Wilhelmine v.Hedemann | Sergej Sergeeviþ [r]Gagarin | Izabella Adamovna [r]Valevskaja |
| Otto v.Plessen | Varvara Sergeevna [r]Gagarina | ||
| Sergius Joseph! Hugo Alexander Otto Heinrich Baron v.Plessen*4.6.1860, +20.9.1912 |