Johan Johansson (Bergström) B. 1830's Nordingrå.Searching for other relatives of my great grandfather. Johan changed his surname to Bergström around 1870's. Married but wife's name unknown.Had 3 sons (Erik, Jan(John) are two of them) and 2 daughters (Cristine and 1 other (name unknown). Jan(John) [my grandfather] emigrated to USA around 1911. Location of remainder of children unknown. Johan also had a brother who emigrated to USA mid to late 1850's, fought with Union in the Civil War, changed his name to John Thompson (Thomson?) and settled in San Bernardino, California.