I am looking for information regarding the parents and siblings and their descendents of my gggrandfather JOHANNES HEINRICH WILHELM HOFFMANN, he went by Henry. Born 4JAN1835. Parents were Friedrich Behrend heinrich Christoph HOFFMANN and Marie Christine UEPKENDANZ. He came to the Milwaukee Wis area ca 1850-1858. married Sophia STREU. He then went to Mankato, Blue Earth Minnesota sometime between 1869-1871. Any help is greatly appreciated. Willing to share information.