Carl Tetzlaff, born 1870 in Posen, Klienton, Germany, was my great grandfather. There were actually only 6 Minnesota Tetzlaff brothers. Herman was not one of the brotheres. There were also 3 sisters. Ella, Amanda, and Minnie. Carl and Fred came to the U.S. in 1881, and settled in Lake Crystal, Minn. They were followed at a later time by the other brothers.