GivPerf-
It was John Quincy’s father.
brooklyn19-
You are correct re: the $2 bill. I was unsure if it was the declaration or the convention, and guessed wrong.
No one noticed (or thought it worthy of comment, anyway) but I mentioned “Madison” in my answer, which was a mental typo – obviously “Adams” should have gone there.
Joseph-
“…with liberty and justice for all” is the concluding line (I think).