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Surname Ts'Ao (曹 , Ts'Ao) , in the world, is a prevalent last name. The family name Ts'Ao is habitual in Eastern Asia, particularly China, where it is a common surname.
Cao, Cchao, Chau, Chaw, Chhau, Cho, Chou, Chow, Chô, Cáo, Thau, Tsao, Tso, Tào, Цао, كاو, 曹氏, and 曺