| Ptak, Alexander | 1980 | Bremen-Mitte | |
| Ptak, Anastasia | Migos | 1962 | Bremen-Mitte |
| Ptak, Franz | 1953 | Bremen-Mitte | |
| Ptak, Franz | 1980 | Bremen-Mitte | |
| Ptak, Margarete Wilhelmine | Tiemann | 1984 | Bremen-Mitte |
| Ptak, Sophie Marie | 1916 | Bremen 2 (Hastedt) | |
| Ptak, Thomas | 1915 | Bremen 1 | |
| Ptak, Toni Johanne | 1917 | Bremen 2 (Hastedt) |