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Surname Keffler (Keffler ) , all around the world, is a rare cognomen. The last name Keffler is characteristic of Brazil, where it is a very rare surname, the United States, and the United Kingdom. Also, Keffler is the forename as well as the last name.
VARIANT | COUNTRY |
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Keffler | France, Brazil, United States, United Kingdom, Democratic Republic of the Congo |