| Kolthoff, Anna Etha Elisabeth | 1941 | Bremen-Mitte | |
| Kolthoff, August Julius Conrad | 1893 | Horn | |
| Kolthoff, Bertha Caroline Wilhelmine | 1912 | Bremen 2 (Hastedt) | |
| Kolthoff, Engelina Johanna | 1905 | Bremen 1 | |
| Kolthoff, Frida Gerhardine | 1932 | Bremen 1 | |
| Kolthoff, Friedrich Hendrik | 1929 | Bremen 1 | |
| Kolthoff, Friedrich Hindrik | 1919 | Bremen 3 (Woltm.hsn) | |
| Kolthoff, Joh. Heinr. Ferd. | 1918 | Bremen 1 | |
| Kolthoff, Joh. Wilh. Aug. | 1922 | Bremen 1 | |
| Kolthoff, Karl August | 1942 | Bremen-Mitte | |
| Kolthoff, Katharina Berendina | 1928 | Hemelingen | |
| Kolthoff, Mathilde Agnes | 1932 | Bremen 1 | |
| Kolthoff, Wilhelm Georg Ferdinand | 1941 | Bremen-Mitte |