For the blood of the sons of Jehoiada, i.e. of Zechariah his son; the plural number sons put for the singular son, as it is frequently, both in Scripture, as Genesis 46:7 Numbers 26:42, and in Cicero and other profane authors. Or he might kill other sons of Jehoiada with him, either because they owned him in what he had said, or lest they should revenge his death.
Related Commentaries of 2 Chronicles 24:25
2 Chronicles 24:25
25 And when they were departed from him, (for they left him in great diseases,) his own servants conspired against him for the blood of the sons of Jehoiada the priest, and slew him on his bed, and he died: and they buried him in the city of David, but they buried him not in the sepulchres of the kings.