A fact from Herbert Mehlhorn appeared on Wikipedia's Main Page in the Did you know column on 2 April 2016 (check views). The text of the entry was as follows:
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Indeed, that was my reaction as well. Unfortunately, I could not find any sourced evidence as to what happened to him post-war. Post-war, the German Wikipedia has him working as legal consultant/officer for Oberndorf am Neckar and Mauser but provides no citations. According to the German Wikipedia he died in Tübingen, but again, no source is provided. Dr.K.01:47, 3 April 2016 (UTC)[reply]
The German page connects Tübingen to Note 1 content (Standesamt Nr. 1135/1968), necessarily implying that the cited document comes from the local Civil Registry Office. So the death in Tübingen is well sourced.