| Hans! Adolf Ulrich Anton Bernhard Leopold v.Plessen | Bernhardine (Ina) Wilhelmine Ernestine v.Brandenstein | ||
| August Friedrich Otto Henning Albert v.Plessen | Mathilde! Ida Louise v.Moeller-Lilienstern | ||
| Bernhard Karl Louis John Hans! v.Plessen*29.4.1870, +14.2.1951 |