| Joost, Anna Sophie | Joost | 1876 | Bremen |
| Joost, Johann Gerh. Paul | Joost | 1889 | Bremen |
| Joost, Johann Kurt Chrstn. | Hayen | 1896 | Bremen |
| Joost, Adelheid Adelgunde Charlotte | Rulfs | 1901 | Horn |
| Joost, Margarete | Rulfs | 1903 | Bremen 1 |
| Joost, Anita Minna | Rulfs | 1905 | Bremen 1 |
| Joost, Else Marie | Hülsiek | 1906 | Bremen 1 |
| Joost, Alfred | Rulfs | 1907 | Bremen 1 |
| Joost, Anita Margarete | Rulfs | 1909 | Bremen 1 |
| Joost, Walter | Rulfs | 1912 | Bremen 1 |