Laws of Nations makes no allowance for this circumstance. A NBC is born to two citizens (§ 212); a naturalized-at-birth-by-virtue-of-geography citizen (§ 214) might not have either parent as a citizen, which disqualifies the NBC status.
What The Law of Nations, Vattel's treatise, has no power to say a single word -- much less "make allowance" for -- about anything in the U.S. Constitution.
The Constitution makes reference to the Law of Nations as a general concept, and capitalizing it was the style of writing of the day, where many nouns were capitalized.
Take your silly theory to any law school professor (take it to 100 of them if you want -- go ahead, prove me and the rest of the sane world wrong) and you will be enlightened. Clearly, you need to be dealing with someone you choose yourself as an authority. But it must be a law professor of a reputable university. You are the equivalent of the person who believes the world is flat. Settle the question for yourself. I'm done.