Cognomen Von Leonhard (Von Leonhard 
) , all around the world, is an extremely rare surname. The cognomen Von Leonhard is habitual in Western Europe, particularly Germany, where it is an extremely rare surname.
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karl cäsar ritter von leonhard German geologist and assessor, DE (b. 1779) |
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gustav von leonhard German mineralogist, DE (b. 1816) |
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