Save Type Surname Usage Vietnamese Pronounced Pron. /ton˧˧ tʰət̚˧˦/, /toŋ˧˧ tʰək̚˦˧˥/, /toŋ˧˧ tʰək̚˦˥/ [key·simplify] Other Forms FormsTon That, Tonthat, Tôn-Thất Meaning & History Derived from Sino-Vietnamese 宗室 (tông thất) meaning "imperial clan". This name was used by the royal family of the Nguyễn dynasty.
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