| Welz, Alfred Otto | 1923 | Bremen 1 | |
| Welz, Auguste Wilhelmine Elisabeth | Schwasta | 1923 | Bremen 1 |
| Welz, Elise Frieda | 1939 | Bremen-Mitte | |
| Welz, Heinrich | 1910 | Bremen 1 | |
| Welz, Herm. Gustav Rich. Arthur | 1920 | Bremen 1 | |
| Welz, Johann August Gustav | 1900 | Bremen | |
| Welz, Johann Gustav | 1926 | Bremen 1 |