Isa 7:2

7:2 the house of David. This expression means the current head of the house, Ahaz. It recalls the Lord’s covenant with David, granting him an eternal offspring and kingdom (2 Sam. 7:12–16). The attempt to replace his dynasty with another (“the son of Tabeel,” v. 6) cannot succeed because God’s promises are at stake.

shook. Ahaz, the proud king, was unable to calm his people. The response of the leader created panic among the people (22:3 note).