Hello! My Great-great-grandfather was John Jacob Schwenk (1831-1913). He departed Rheinland-Pfalz 1851 and lived the rest of his life in London, England. My father (William F.A. Schwenk 1921-2001) brought us to Ottawa, Canada in 1955 - my mother and 2 sisters.
We have no additional information on JJ Schwenk in Germany and are looking forward to finding out more.
We have been told that some of the British Schwenks changed their names to Swain and emigrated to Australia - we are following up on this.
Would love to hear from you!
Wendy Schwenk Dixon