| Siebken, Christian | 1938 | ||
| Siebken, Claus Hinrich | 1913 | ||
| Siebken, Heinr. | 1898 | ||
| Siebken, Henny | Stumper | Siebken Claus | 1962 |
| Siebken, Johannes Marcus | 1954 | ||
| Siebken, Max August | 1968 | ||
| Siebken, Pietertje gent. Beta | Kuipers | Siebken Claus Hinrich | 1917 |
| Siebken, totgeb. | Siebken Christian | 1914 |