1 Kings 11:30-32
11:30 and he grabbed the robe and tore it into twelve pieces.
11:31 Then he told Jeroboam, “Take ten pieces, for this is what the Lord God of Israel says: ‘Look, I am about to tear the kingdom from Solomon’s hand and I will give ten tribes to you.
11:32 He will retain one tribe, for my servant David’s sake and for the sake of Jerusalem, the city I have chosen out of all the tribes of Israel.