Family name Крейер (Kreyer 
, Крейер 
) , in all the world, is quite a rare cognomen. The last name Крейер is habitual in Western Europe, particularly Liechtenstein, where it is quite a rare surname, Germany, where it is a rare surname, and Austria. Measured by absolute frequency, it is commonest in Germany, the United States, and France.
| георгий карлович крейер Russian botanist and lichenologist (1887-1942), RU (b. 1887) |
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