Surname Diedtrich (Diedtrich 
) , in the world, is a very rare last name. The last name Diedtrich is habitual in Northern America, particularly the United States, where it is a very rare surname. Likewise, Diedtrich is the forename as well as the last name.
| elmer diedtrich American politician (1927-2013), US (b. 1927) |
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| gordon albert diedtrich US (b. 1929) |
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