‘As surely as I saw the blood of Naboth and the blood of his sons yesterday, declares the LORD, so will I repay you on this plot of ground, declares the LORD.’ Now then, according to the word of the LORD, pick him up and throw him on the plot of ground.”
From Ramoth-Gilead to Jezreel was more than one day's march; about the mid-way between them the river Jordan must be crossed. We may suppose Jehu to have marched with all possible expedition, and to have taken the utmost precaution to prevent the tidings from getting to Jezreel before him; and, at length, we have him within sight first, and then within reach, of the devoted king. I.
Commenting on 2 Kings 9:16-29
And in the eleventh year of Joram the son of Ahab began Ahaziah to reign over Judah. In Kg2 8:25, it is said to be in the twelfth year of his reign; it was at the close of the eleventh, and the beginning of the twelfth; or he began to reign with his father in the eleventh as here, and in the twelfth as there, when his father was dead.
the blood of Naboth, and the blood of his sons, saith the Lord--Although their death is not expressly mentioned, it is plainly implied in the confiscation of his property (see Kg1 21:16).