Ezekiel 48:25 Midrash

וְעַ֣ל ׀ גְּב֣וּל שִׁמְע֗וֹן מִפְּאַ֥ת קָדִ֛ימָה עַד־פְּאַת־יָ֖מָּה יִשָׂשכָ֥ר אֶחָֽד׃

And by the border of Simeon, from the east side unto the west side: Issachar, one portion.

Read midrashic interpretation of Ezekiel 48:25: and classical rabbinic exegesis.