Num 13:4

וְאֵ֖לֶּה שְׁמוֹתָ֑ם לְמַטֵּ֣ה רְאוּבֵ֔ן שַׁמּ֖וּעַ בֶּן־זַכּֽוּר׃

and these were their names: From the tribe of Reuben, Shammua son of Zaccur;