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. 1
1 Kings 17:10
17:10 So he got up and went to Zarephath. When he went through the city gate, there was a widow gathering wood. He called out to her, “Please give me a cup 2 of water, so I can take a drink.”
1 tnHeb “there was no one [following] after the house of David except the tribe of Judah, it alone.”