Arphaxad is the critical name here — from him the line runs directly to Abraham. But note that Persia and Assyria — two of the great empires that will shape Israel's history — also come from Shem's line.
Memory phrase: God's covenant family is connected to all the nations.
Talk about it: Elam, Asshur, and Aram all appear in the Bible later. Can you look up where?
Prayer: God, Your plan connects every nation. Help me see how big Your story really is.