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Around the globe, กวนอู (Kuerkoon , กวนอู, Kuankway ) is an extremely rare unknown gender first name. Also, กวนอู is the last name as well as the forename.
Guaanun, Guanoon, Guanpha, Guanun, Khuanduan, Kuanhnun, Kuankanueng, Kuankaow, Kuankrue, Kuankuea, Kuannuy, Kuanoo, Kuanoon, Kuansanong, Kuanun, Kuanuwa, Kuenoon, 关公, 关羽, and 雲長