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Last name Diefenbacher (Diefenbacher
) , all over the world, is a rare family name. The surname Diefenbacher is habitual in Switzerland, where it is a rare surname, Germany, and Canada. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and Switzerland.
VARIANT | COUNTRY |
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Diefenbacher | Switzerland, France, Canada, United States, Germany |