Family name Wiltgen (Wiltgen 
) , all around the world, is quite a rare cognomen. The family name Wiltgen is characteristic of Luxembourg, where it is quite a common surname, Brazil, where it is a rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Wiltgen | Belgium, Brazil, Luxembourg, France, United States |
| ralph m. wiltgen American Catholic priest, missionary and journalist (1921-2007), US (b. 1921) |
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| roland wiltgen LU (b. 1957) |
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| denusa wiltgen researcher |
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| bryan wiltgen Ph.D. Georgia Institute of Technology 2018 |
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| pia wiltgen Luxembourgish cyclist, LU (b. 1987) |
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| paul wiltgen LU (b. 1982) |
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