I Chronicles 12:4 Commentary: Rashi

וְיִֽשְׁמַֽעְיָ֧ה הַגִּבְעוֹנִ֛י גִּבּ֥וֹר בַּשְּׁלֹשִׁ֖ים וְעַל־הַשְּׁלֹשִֽׁים׃

and Ishmaiah the Gibeonite, a mighty man among the thirty, and over the thirty;