1 Kings 11:12-13; 1 Kings 11:32

12 Nevertheless, in thy days I will not do it, for David thy father’s sake: but I will rend it out of the hand of thy son. 13 Neither will I take away the whole kingdom; but I will give one tribe to thy son, for the sake of David, my servant, and Jerusalem, which I have chosen.
32 But one tribe shall remain to him for the sake of my servant, David, and Jerusalem, the city which I have chosen out of all the tribes of Israel: