וּמַטֵּ֖ה בִּנְיָמִ֑ן וְנָשִׂיא֙ לִבְנֵ֣י בִנְיָמִ֔ן אֲבִידָ֖ן בֶּן־גִּדְעֹנִֽי׃
and the tribe of Benjamin; the prince of the children of Benjamin being Abidan the son of Gideoni,
Read midrashic interpretation of Numbers 2:22: and classical rabbinic exegesis.