We are trying to locate our great grandparents who are from Germany. They had at least one son, our grandfather, William J. Harms b. 20 jan 1878 in Warnamunde, Germany and came to the US in 1898 and was naturalized in SF Calif in 1903? d. 11 sep 1957 Staockton, Calif We are at a dead end . ANY info or help would be greatly appreciated. Thank You.