| Holzgrefe, Anna Frieda | 1899 | Bremen | |
| Holzgrefe, Christian Heinrich | 1908 | Bremen 1 | |
| Holzgrefe, Erna Gretchen | 1936 | Bremen 1 | |
| Holzgrefe, Heinr. Wilh. | 1881 | Bremen | |
| Holzgrefe, Heinr. Wilh. | 1906 | Bremen 1 | |
| Holzgrefe, Herm. Heinr. | 1918 | Bremen 1 | |
| Holzgrefe, Hermann Heinrich | 1925 | Bremen 1 | |
| Holzgrefe, Joh. Heinr. Christian | 1890 | Bremen | |
| Holzgrefe, Therese Auguste | 1937 | Bremen 1 |