| Happel, | 1915 | Bremen 1 | |
| Happel, Bertha Sophie Henriette | Haeger | 1931 | Bremen 1 |
| Happel, Carl Adolf Friedrich | 1947 | Bremen-Mitte | |
| Happel, Christine Else | Ruhland | 1981 | Bremen-Mitte |
| Happel, Heinrich Edmund | 1927 | Bremen 1 | |
| Happel, Hugo Max | 1974 | Bremen-Vegesack | |
| Happel, Rudolph Edmund Emil | 1913 | Bremen 1 | |
| Happel, Walter Heinrich Gustav | 1960 | Bremen-Mitte | |
| Happel, Wilhelm Jakob | 1974 | Bremen-Mitte | |
| Happel, Wilhelm Ludwig Bernhard | 1960 | Bremen-Mitte |