Isaiah 7:5

5 For Syria, and Ephraim, and the son of Remaliah, have begun evil counsel against thee, and say,

Isaiah 7:5 Meaning and Commentary

Isaiah 7:5

Because Syria, Ephraim, and the son of Remaliah
Not that there were three parties in the counsel and confederacy against Judah, only two, the kingdoms of Syria and Ephraim, or Israel; the king of the former is not mentioned at all, and the latter only as if he was the son of a private person, which is purposely done by way of contempt: have taken evil counsel against thee:
which is expressed in the next verse; saying;
as follows.

Isaiah 7:5 In-Context

3 And the Lord said to Isaiah, Go thou out, and Jashub, thy son, which is left, into the meeting of Ahaz, at the last end of the water conduit of the higher cistern, in the way of the field of the fuller. (And the Lord said to Isaiah, Thou, and thy son Shearjashub, go out to meet with Ahaz, at the far end of the water conduit of the Upper Pool, on the way to the Fuller's Field.)

4 And thou shalt say to him, See thou, that thou be still; do not thou dread, and thine heart be not afeared of the two tails of these brands smoking, in the wrath of the strong vengeance of Rezin, king of Syria, and of the son of Remaliah. (And thou shalt say to him, See thou, that thou stay calm; do not thou fear, and do not let thy heart be afraid of the two tails of these smoking firebrands, that is, of the anger of the strong vengeance of Rezin, the king of Syria, and that of the son of Remaliah.)

5 For Syria, and Ephraim, and the son of Remaliah, have begun evil counsel against thee, and say,

6 Go we up to Judah, and raise we him, and draw we him out to us; and set we a king in the midst thereof, the son of Tabeal.

7 The Lord God saith these things, This shall not be, and it shall not stand;