| Grebel, August Albert | Grebel Friedrich Heinrich | 1910 | |
| Grebel, Emilie Minna Emma | Gersemsky | Grebel Friedrich Heinrich | 1968 |
| Grebel, Friedrich Heinrich | 1953 | ||
| Grebel, Friedrich Karl August Otto | 1975 | ||
| Grebel, Hulda | Schumacher | Grebel Friedrich Karl August Otto | 1970 |