Family name Ruberg (Ruberg 
) , worldwide, is quite a rare cognomen. The cognomen Ruberg is characteristic of Northern Europe, particularly Denmark, where it is quite a rare surname, Estonia, and Norway, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in the United States, Germany, and Denmark. Very seldom, Ruberg is the forename as well as the last name.
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| Ruberg | Netherlands, Sweden, Germany, United States, Denmark |
| johann christian ruberg German inventor (1746-1807), DE (b. 1746) |
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| otto ruberg Norwegian politician (b. 1866) |
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| emilie ruberg prisoner of a Nazi regime, CZ (b. 1889) |
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| carl ruberg German economist, DE (b. 1892) |
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| bernhard ruberg German politician (1897-1945), DE (b. 1897) |
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| endel ruberg Estonian-Canadian painter (1917-1989), EE (b. 1917) |
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| uwe ruberg DE (b. 1936) |
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| stephanie ruberg badminton player, DE (b. 1971) |
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| dirk ruberg badminton player, DE (b. 1972) |
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| steffi ruberg badminton player, DE (b. 1973) |
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| don ruberg college basketball player (1948–1951) Xavier |
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| merle ruberg researcher |
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| frederick l. ruberg researcher |
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| m ruberg researcher |
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| stephen ruberg researcher |
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