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Family name Guihuai (Guihuai ) , around the world, is an extremely rare last name. Predominantly, Guihuai is the forename as well as the last name.
吉怀, 吉槐, 吉淮, 归怀, 桂怀, 桂槐, 桂淮, 贵怀, 贵槐, and 贵淮
Huang