| Clercq, de, Anna Marie | Quade | 1901 | Bremen |
| Clercq, de, Cath. Marg. | Schierholz | 1879 | Bremen |
| Clercq, de, Friedr. | 1885 | Bremen | |
| Clercq, de, Georg Heinr. | 1900 | Bremen | |
| Clercq, de, Heinr. Philipp | 1894 | Bremen | |
| Clercq, de, Joh. Friedr. Wilh. | 1899 | Bremen | |
| Clercq, de, Metta Catharine Auguste | Gröning | 1925 | Bremen 1 |