| Janson, Anna Angelika | Krauß | 1904 | Bremen 1 |
| Janson, Edgar Reinhold | Dietrich | 1908 | Bremen 1 |
| Janson, Erich Albrecht | Wattenberg | 1889 | Bremen |
| Janson, Erna Emilie | Krauß | 1894 | Bremen |
| Janson, Eugen August Ferdinand | Seyde | 1878 | Bremen |
| Janson, Franz Werner | Krauß | 1897 | Bremen |
| Janson, Helmuth August Oskar | Wattenberg | 1891 | Bremen |
| Janson, Ludolf Hermann | Wattenberg | 1887 | Bremen |
| Janson, Mathilde Emilie Theodore Agnes | Wattenberg | 1895 | Bremen |
| Janson, Mathilde Therese Erika | Wollmann | 1901 | Bremen |
| Janson, Ottilie Theodore Hildegard | Wollmann | 1898 | Bremen |