29 It happened that, as soon as he was king, he struck all the house of Jeroboam: he didn't leave to Jeroboam any who breathed, until he had destroyed him; according to the saying of Yahweh, which he spoke by his servant Ahijah the Shilonite;
*Minor differences ignored. Grouped by changes, with first version listed as example.
He smote all the house of Jeroboam - This was according to Ahijah's prophetic declaration; see 1-Kings 14:10, 1-Kings 14:14. Thus God made use of one wicked man to destroy another.
And it came to pass, when he reigned, [that] he (k) smote all the house of Jeroboam; he left not to Jeroboam any that breathed, until he had destroyed him, according unto the saying of the LORD, which he spake by his servant Ahijah the Shilonite:
(k) So God stirred up one tyrant to punish the wickedness of another.
And it came to pass, when he reigned, that he smote all the house of Jeroboam,.... That he might have no rival, or any that could pretend any title to the crown:
he left not Jeroboam any that breathed, until he had destroyed him, according to the saying of the Lord, which he spake by his servant Ahijah the Shilonite; not that his intention in destroying Jeroboam's family was to fulfil that prophecy, but so it was eventually; see 1-Kings 14:10.
when he reigned, he smote all the house of Jeroboam--It was according to a barbarous practice too common in the East, for a usurper to extirpate all rival candidates for the throne; but it was an accomplishment of Ahijah's prophecy concerning Jeroboam (1-Kings 14:10-11).
Any - Any of the males of that family. According, &c. - So God overruled Baasha's ambition and cruelty, to fulfil his own prediction.
*More commentary available at chapter level.