So she wrote letters in Ahab’s name and sealed them with his seal, and she sent the letters to the elders and the leaders who lived with Naboth in his city.
Nothing but mischief is to be expected when Jezebel enters into the story - that cursed woman, Kg2 9:34. I. Under pretence of comforting her afflicted husband, she feeds his pride and passion, and blows the coals of his corruptions. It became her to take notice of his grief and to enquire into the cause of it, Kg1 21:5.
Commenting on 1 Kings 21:5-16
And set two men, sons of Belial, before him, to bear witness against him,.... Worthless wretches, that have cast off the yoke of the law, as Belial signifies, lawless abandoned creatures, that have no conscience of anything; "knights of the post", as we call them, that will swear anything; these were to be set before Naboth, right against him to confront him, and accuse him...
So she wrote letters in Ahab's name, and sealed them with his seal--The seal-ring contained the name of the king and gave validity to the documents to which it was affixed (Est 8:8; Dan 6:17). By allowing her the use of his signet-ring, Ahab passively consented to Jezebel's proceeding. Being written in the king's name, it had the character of a royal mandate.