Across the world, Tjiu (Tjiu 
) is quite a rare gender-neutral forename. The first name Tjiu is habitual in Indonesia, where it is a rare epicene name, and China, where it is an extremely rare gender-neutral name. Likewise, Tjiu is the last name as well as the forename.
| tjiu mau-ying Taiwanese politician, TW (b. 1936) |
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| tan bien tjiu |
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