Jacob MUSCH immigrated to the United States on 17 June 1873. He arrived in New York City aboard the Koln. Four of his five known children made the trip with him. They were Herman, Albert, Helene (Lena) and Emilie (Milly).
"New York Passenger Lists, 1820-1957," digital images, Ancestry
(http://www.ancestry.com : accessed 25 July 2010), passenger ship of Koln, 17
Jun 1873, Jacob, Herman, Albert, Helene and Emilie Musch.