Cognomen Diesfeldt (Diesfeldt 
) , all over the world, is a very rare last name. The family name Diesfeldt is habitual in Western Europe, particularly Netherlands, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Diesfeldt | Netherlands |
| gerardus johannes jacobus diesfeldt Dutch photographer, NL (b. 1853) |
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| alexander c. m. diesfeldt (b. 1856) |
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| jan hendrik diesfeldt NL (b. 1918) |
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