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Cognomen Yukao (Yukao ) , worldwide, is an extremely rare last name. Much more prevalently, Yukao is the forename as well as the last name.
与考, 于考, 余考, 宇考, 玉栲, 玉考, 玉靠, 羽考, 育考, 裕考, and 裕靠
Abe, Xie, Chen, Wang, and Nagemi