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Across the world, สิว (Sio , สิว , Pimrapeechart ) is quite a rare epicene first name. The given name สิว is habitual in Macao, where it is quite a common unisex name, Hong Kong, where it is a rare feminine name, and Indonesia, where it is a rare unisex name. In absolute terms, it is commonest in Indonesia, India, and Macao. Also, สิว is the last name as well as the forename.
สิว is also a name for the fictitious and mythical characters: Sio Bibble , the Star Wars character, Star Wars: Episode I – The Phantom Menace and Sio Kusunoki , the virtual YouTube personality.
ใสผุด, พูลศรี, อินถา, พัฒนกุล, บุญหละ, เจือประสิทธิ์, นุชบุญยัง, สมบูรณ์, and เพ็ชรรัตน์