This is my first introduction to this website - I hope I am posting this properly. I have two ancestors (husband and wife) who sailed out of Bremen on the ship Germania and arrived in Baltimore June 14, 1867. They were Johann Friedrich Butt, his second wife Margaretha (T(h)iedemann) Butt, and his two sons from his first marriage to a Ms. Engel(?), Heinrich and Johann. American death certificates and obituaries state they were born in Hannover, but not which village in the kingdom. John's date of birth is March 27, 1827, and Margaretha was born in 1842/1843.
According to Johann's death certificate, his parents were Heinrich Butt and Mattie Dammern, both born in Germany.
Can anyone suggest any areas heavily populated at that time by the Butt and/or Tiedemann families so that I would know where to begin my search?
Thanks in advance,