וְשַׁעֲרֵ֣י הָעִ֗יר עַל־שְׁמוֹת֙ שִׁבְטֵ֣י יִשְׂרָאֵ֔ל שְׁעָרִ֥ים שְׁלוֹשָׁ֖ה צָפ֑וֹנָה שַׁ֣עַר רְאוּבֵ֞ן אֶחָ֗ד שַׁ֤עַר יְהוּדָה֙ אֶחָ֔ד שַׁ֥עַר לֵוִ֖י אֶחָֽד׃
and the gates of the city shall be after the names of the tribes of Israel; three gates northward: the gate of Reuben, one; the gate of Judah, one; the gate of Levi, one;
Read halakhic rulings (Jewish law) on Ezekiel 48:31: and classical halakhic sources.