וַיַּקְרֵ֣ב שְׁמוּאֵ֔ל אֵ֖ת כָּל־שִׁבְטֵ֣י יִשְׂרָאֵ֑ל וַיִּלָּכֵ֖ד שֵׁ֥בֶט בִּנְיָמִֽן׃
So Samuel brought all the tribes of Israel near, and the tribe of Benjamin was taken.
Read halakhic rulings (Jewish law) on I Samuel 10:20: and classical halakhic sources.