| Kowalczyk, Boleslaus Albert | Dudka | 1908 | Bremen 1 |
| Kowalczyk, Bronislawa Martha | Walczak | 1910 | Bremen 1 |
| Kowalczyk, Hermann Johann | 1897 | Aumund | |
| Kowalczyk, Joseph Wilhelm | Walezak | 1912 | Bremen 1 |
| Kowalczyk, Kasimira Bronislawa | Obszala | 1910 | Bremen 1 |
| Kowalczyk, Ludwig Paul | Dudka | 1912 | Bremen 5 (Gröpelingen) |
| Kowalczyk, Stefan | Obszala | 1908 | Bremen 1 |
| Kowalczyk, Stephanie Frieda | Walczak | 1911 | Bremen 1 |
| Kowalczyk, Wanda Paula | Dudka | 1911 | Bremen 1 |
| Kowalczyk, Wladislawa Valentina | Walczak | 1908 | Bremen 1 |