Jeremiah
1 Kings 12:21BSB·traditional attribution

And when Rehoboam arrived in Jerusalem, he mobilized the whole house of Judah and the tribe of Benjamin—180,000 chosen warriors—to fight against the house of Israel and restore the kingdom to Rehoboam son of Solomon.

Matthew Henry Presbyterian @wholebiblehenry

We have here the rending of the kingdom of the ten tribes from the house of David, to effect which, I. The people were hold and resolute in their revolt. They highly resented the provocation that Rehoboam had given them, were incensed at his menaces, concluded that that government would in the progress of it be intolerably grievous which in the beginning of it was...

Commenting on 1 Kings 12:16-24

John Gill Reformed Baptist @doctorgill

Speak unto Rehoboam the son of Solomon king of Judah,.... He is called king before, but of what tribe or tribes is not expressly said, only it is implied in Kg1 12:17 and he is only acknowledged king of Judah by the Lord himself: and unto all the house of Judah and Benjamin; which made but one house, as before but one tribe, Kg1 11:36.

Geneva Bible Notes Reformed @genevanotes

And when Rehoboam was come to Jerusalem, he assembled all the house of Judah, with the tribe of Benjamin, an hundred and fourscore thousand chosen men, which were warriors, to fight against the house of Israel, to bring the kingdom again to Rehoboam the son of Solomon. (h) For as yet he did not realize that the Lord had so appointed it.