What does 1 Kings 15:29 mean?

And it came to pass that, as soon as he was king, he smote all the house of Jeroboam: he left not to Jeroboam any that breathed, until he had destroyed him; according unto the saying of Jehovah, which he spake by his servant Ahijah the Shilonite;

And it came to pass, when he reigned, that he 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:

And it came to pass that, as soon as he was king, he smote all the house of Jeroboam: he left not to Jeroboam any that breathed, until he had destroyed him; according unto the saying of Jehovah, which he spake by his servant Ahijah the Shilonite;

And straight away when he became king, he sent destruction on all the offspring of Jeroboam; there was not one living person of all the family of Jeroboam whom he did not put to death, so the word of the Lord, which he said by his servant Ahijah the Shilonite, came about;

And it cometh to pass, at his reigning, he hath smitten the whole house of Jeroboam, he hath not left any breathing to Jeroboam till his destroying him, according to the word of Jehovah, that He spake by the hand of His servant Ahijah the Shilonite,

And when he was king, he cut off all the house of Jeroboam: he left not so much as one soul of his seed, till he had utterly destroyed him, according to the word of the Lord, which he had spoken in the hand of Ahias, the Silonite:

And it came to pass when he was king, he smote all the house of Jeroboam; he left to Jeroboam none that breathed; until he had destroyed him, according to the word of Jehovah which he spoke by his servant Ahijah the Shilonite,