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Around the world, Ruguan (Ruguan ) is an extremely rare boy's forename. Much less frequently, Ruguan is the last name as well as the forename.
Ругуан, 儒冠, 儒官, 儒观, 嚅倌, 如关, 如冠, 如官, 如管, 如观, 如贯, 汝冠, 汝官, 汝莞, 罗关, 罗冠, 罗观, and 辱观