Looking for information on the Rohde family. My gggrandfather was Frederick Rohde, b. 1850 in Germany, d. 1912 in Washington, DC.He was a shoemaker.He married Justina ? about 1875-1878.They had a daughter named Henrietta Wilhelmina Carolena (born 1880) and a son George J. (b. 1884, d. 1900).Any information would be appreciated.