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In all the world, ثيون (Theon
, ثيون) is a rare largely masculine, but seldom feminine given name. The first name ثيون is characteristic of Greece, where it is a rare male name, Tanzania, where it is a very rare masculine name, and South Africa, where it is a very rare largely male, but uncommonly female name. In absolute terms, it most frequently occurs in the United States, Indonesia, and Tanzania. Likewise, ثيون is the last name as well as the forename.
ثيون is also a name for the fictitious and mythical characters: Theon Greyjoy , the character in A Song of Ice and Fire, Game of Thrones.