Family: Herbert Lessing / Marga Marina Nielsine Rossen (F1768)
 | Hans Marius Rossen (1901-1993) 
|
 | Anna Theodora Dethlefsen (1899-1980) |
 | Hans Otto Heinrich Rossen (1935-2012)  |
| Herbert Lessing (1931- ) |
| Marga Marina Nielsine Rossen (1937-2000)
|
| Hans Marius Rossen (1901-1993)
|
| Anna Theodora Dethlefsen (1899-1980) |
| Hans Otto Heinrich Rossen (1935-2012) |
| Herbert Lessing (1931- ) |
| Marga Marina Nielsine Rossen (1937-2000)
|