Prepare yourselves according to your fathers’ houses by your divisions, as prescribed in the writing of David king of Israel and the document of Solomon his son.
The destruction which Josiah made of idols and idolatry was more largely related in the Kings, but just mentioned here in the foregoing chapter (v. 33); but his solemnizing the passover, which was touched upon there (Kg2 23:21), is very particularly related here. Many were the feasts of the Lord, appointed by the ceremonial law, but the passover was the chief.
Commenting on 2 Chronicles 35:1-19
And prepare yourselves,.... To do their work in this service of the sanctuary, the passover; that they be ready to do it, and diligent in it, and perform it according to the law of God: by the houses of your fathers, after your courses; such of them whose turn in course it was to officiate: according to the writing of David king of Israel, and...
prepare yourselves by the houses of your fathers, after your courses--Each course or division was to be composed of those who belonged to the same fathers' house. according to the writing of David and . . . Solomon--Their injunctions are recorded (Ch2 8:14; 1Ch. 23:1-26:32).