Cognomen Kolbai (Колбай 
, Колбаи , Kolbai 
) , all around the world, is a rare surname. The family name Kolbai is habitual in Kyrgyzstan, where it is quite a rare surname, Kazakhstan, where it is a rare surname, and Russia, where it is a very rare surname. Also, Kolbai is the forename as well as the last name.
| kolbai károly HU (b. 1901) |
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