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Cognomen Сайер (Sayer , Sajer , Saier ) , globally, is a common surname. The surname Сайер is habitual in Kuwait, where it is quite a common surname, Aland Islands, and Isle of Man. Not in comparison with a country's population, the name is most common in the United Kingdom, Kuwait, and the United States. Much less frequently, Сайер is the forename as well as the last name.
Мухамедеев, and Мухамедиев