| Happel, Antoinette Mathilde Frieda | Winter | Happel Wilhelm Jacob | 1971 |
| Happel, Bertha Sophie Henriette | Haeger | 1931 | |
| Happel, Carl Adolf Friedrich | 1947 | ||
| Happel, Heinrich Edmund | 1927 | ||
| Happel, Hugo Max | 1974 | ||
| Happel, Rudolph Edmund Emil | 1913 | ||
| Happel, totgeb. | Happel Wilhelm Jacob | 1915 | |
| Happel, Walter Heinrich Gustav | 1960 | ||
| Happel, Wilhelm Jacob | 1974 | ||
| Happel, Wilhelm Ludwig Bernhard | 1960 |