| Sydow, Carl Heinrich | 1900 | Bremen | |
| Sydow, Caroline Wilhelmine | Gerwig | 1939 | Freie Hansestadt Bremen |
| Sydow, Georg August Wilhelm | 1929 | Bremen 1 | |
| Sydow, Melita Lina Casimira | 1930 | Bremen 1 | |
| Sydow, Therese Bertha Christine | 1936 | Bremen 1 | |
| Sydow, Willy Franz | 1932 | Bremen 1 | |
| Sydow, Willy Georg | 1932 | Bremen 1 |