Therefore the Lord himself shall give you a sign; Behold, a virgin shall conceive, and bear a son, and shall call his name Immanuel. The Lord "Jehovah" - For אדני Adonai, twenty-five of Kennicott's MSS., nine ancient, and fourteen of De Rossi's, read יהוה Jehovah. And so Isaiah 7:20, eighteen MSS.
Immanuel - For עמנואל Immanuel, many MSS. and editions have עמנו אל immanu El, God with us.