I am looking for information on Johan STREU b. ca 1800. Married Fredericka Detloff b. ca 1800. Their known children are Johan, Sophia b 1841, Maria, Bernhardt, and Wilhelm. Came to US in 1857. Sophia and Johan show up in Milwaukee WI. Parents and Sophia show up in Mankato MN in 1871. looking for whereabouts of the other children. Willing to share info.