Surname Гвин (Gwyn 
, Gwynne , Gvin 
) , in the world, is quite a common cognomen. The last name Гвин is characteristic of Australia, where it is quite a rare surname, the United Kingdom, and New Zealand. Not in comparison with a country's population, it most frequently occurs in the United States, the United Kingdom, and Australia. Likewise, Гвин is the forename as well as the last name.
Ольга, Анатолий, and Константин