1 Kings 11:35-36

11:35 I will take the kingdom from the hand of his son and give ten tribes to you. 11:36 I will leave his son one tribe so my servant David’s dynasty may continue to serve me in Jerusalem, the city I have chosen as my home.

1 Kings 12:20

12:20 When all Israel heard that Jeroboam had returned, they summoned him to the assembly and made him king over all Israel. No one except the tribe of Judah remained loyal to the Davidic dynasty.