Miottel Ship Records
I found them! August, Henriette, Wilhelm, Theodor and Reinhold...
Ancestry.com. Baltimore Passenger Lists, 1820-1948 [database on-line]. Provo, UT, USA: The Generations Network, Inc., 2006. Original data: Baltimore, Maryland. Passenger Lists of Vessels Arriving at Baltimore, Maryland, 1820-1891. Roll M255_31 Ship: Strassburg
Now I have proof of the family arriving in tact in the US.