"If any citizen of the United States shall accept, claim, receive, or retain any title of nobility or honour, or shall without the consent of Congress, accept and retain any present, pension, office, or emolument of any kind whatever, from any emperor, king, prince, or foreign power, such person shall cease to be a citizen of the United States, and shall be incapable of holding any office of trust or profit under them, or either of them." [Journal of the Senate]
After appearing in numerous official publications until 1876, this Article "disappeared" from our Constitution, to be replaced by another made nearly 50 years later. You may well ask how such a thing could have happened. So did we.
The disappearance of the original 13th Amendment to the Constitution of the United States has been under investigation by independent modern researchers during the past 25 years. We've learned a lot.