Because Syria, Ephraim, and the son of Remaliah have plotted evil against you, saying,
Isaiah 7:5
Surrounding context
7:4 and say to him: "Take heed, and be quiet; do not fear or be fainthearted for these two stubs of smoking firebrands, for the fierce anger of Rezin and Syria, and the son of Remaliah.
7:5 Because Syria, Ephraim, and the son of Remaliah have plotted evil against you, saying,
7:6 "Let us go up against Judah and trouble it, and let us make a gap in its wall for ourselves, and set a king over them, the son of Tabel"--