וְהַשֵּׁ֥בֶט הָאֶחָ֖ד יִֽהְיֶה־לּ֑וֹ לְמַ֣עַן ׀ עַבְדִּ֣י דָוִ֗ד וּלְמַ֙עַן֙ יְר֣וּשָׁלִַ֔ם הָעִיר֙ אֲשֶׁ֣ר בָּחַ֣רְתִּי בָ֔הּ מִכֹּ֖ל שִׁבְטֵ֥י יִשְׂרָאֵֽל׃
but he shall have one tribe, for My servant David’s sake, and for Jerusalem’s sake, the city which I have chosen out of all the tribes of Israel—
Read kabbalistic (mystical) interpretation of I Kings 11:32: and classical mystical sources.