2 Chronicles 35:21 Commentary - English Annotations on the Holy Bible by Matthew Poole

Against the house wherewith I have war, Heb. against the house or family of my war, i.e. against the house of the king of Assyria, between whom and me there is war.

God commanded me; either his false god by their lying priests; or the true God, either,

1. By some prophet; for God’s prophets used sometimes to deliver or send commands from God to heathen kings. Though it is not probable either that Pharaoh would regard the command of the true God; or that a prophet of the Lord would not acquaint Josiah with this message; or that Josiah would oppose Pharaoh in a war undertaken by God’s command. Or rather,

2. By a dream, as God spoke to another heathen king, Abimelech, Gen 20:3. Though it is not impossible that he pretended this for his own advantage, that Josiah might not assist his enemies.