Here is Joachim Opdenweyer's naturalization document Orleans Parish Louisiana
Source Louisiana Division, New Orleans Public Library
Submitted by Bertrand Macpherson July 2001

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From 1st Judicial District Court, Orleans Parish, Minute Book 1845-1846,
pages 303, 304, Jan. 14, 1846

   "This day personally comes and appears in open Court Joachim Opdenweyer,
an alien, and made application to be admitted a citizen of the United
States. Thereupon the said Joachim Opdenweyer exhibited to the Court a
certified copy of a Declaration (of Intent) made by him in the St. Louis
Criminal Court in order to become a citizen of the United States on the 24th
day of November in the year of Our Lord 1843, of which the following is a
copy:
   "In the St. Louis Criminal Court, November Term, Friday, 24th November,
1843, Joachim Opdenweyer, a native of Germany, age forty-one years, comes
into Court, and being duly sworn upon his oath declares that it is bonafide
his intention to become a citizen of the United States, and to renounce
forever all allegiance and fidelity to every foreign power, prince,
potentate and sovereignty whatsoever and [unreadable] to the King of Prussia
of whom he is at present a subject. State of Missouri, county of St. Louis,
signed, J. D. Johnston, clerk of the St. Louis Criminal Court, within and
for the county of St. Louis the foregoing to be a true transcript of the
Declaration of Joachim Opdenweyer to become a citizen of the United States
as the same now remains of record in my office. In testimony whereof I have
hereunto set my hand and affixed the seal of said Court at office in the
City of St. Louis this twenty-fourth day of November in the Year of Our Lord
Eighteen Hundred and Forty-Three. J. D. Johnston, clerk.
  "And being proved to the satisfaction of the Court here on the oaths of
Joseph Peters and Charles Busch, citizens of the United States, states that
the said Joachim Opdenweyer has resided within the limits and under the
jurisdiction of the United States for upwards of five years immediately
preceding the date of this application and within the state of Louisiana
where the Court now holden for more than one year and its being proven that
he has behaved and is a man of good moral character attached to the
principles of the Constitution of the United States, and well disposed to
the good order and happiness of the same the said Joachim Opdenweyer having
declared on oath before the court here that he will support the Constitution
of the United States and that he does forever renounce all allegiances and
fidelity to every foreign Prince, Potentate, State or Sovereignty whatever
and particularly to the King of Prussia, the said Joachim Opdenweyer was
therefore admitted to become a citizen of the United States and these
proceedings here ordered to be recorded."