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| Board | Threads | Messages | Last Post |
| Siebenschuh | 0 | 0 | |
| Siebenthaler | 1 | 13 | 21 Mar 2011 |
| Siebenthall | 1 | 1 | 14 Feb 2013 |
| Sieber | 50 | 108 | 27 Sep 2014 |
| Sieberath | 1 | 1 | 20 May 2006 |
| Sieberg | 3 | 3 | 30 Sep 2012 |
| Sieberger | 1 | 2 | 28 Jul 2003 |
| Sieberkrob | 0 | 0 | |
| Siebern | 2 | 4 | 1 May 2010 |
| Sieberns | 1 | 2 | 19 May 2009 |