Yaaqov Ben Yisrael

Salaam Alaikum Yaaqov.

Need a little help here on the following:

Quote by Placid. The Hebrew Scriptures were always good at identifying people by name, so, --- unless you can identify in Isaiah 7:14, who the virgin, or young woman was, and who the child was, and the significance of calling him Immanuel, --- there is no evidence that it happened at that time, is there?

Would a...