In the book " Descendants or Johan Frederick Brotzman and Maria Barbara Brotzman" , of which a copy of can be seen at the historical library in Salt Lake City, states that Johan & his wife Maria Barbara & 6 children arrived at the port of Philadelphia Nov. 3, 1738. The ships name was Thistle .
They took the oath of allegiace to King George the second.
There also are Brotzmans that arrived in the later part of the 19th cenury who immagrated from Russia.