I M Looking for My Grandfather S Family Henry Grady Long from South Carolina

I'm looking for my grandfather's family Henry "Grady" LONG from South Carolina. His father name is Benjamin LONG and his wife name is Lizzie last name unknown. Heny went to World War I. I don't know what branch. He married my grandmother Cleora GRAVES in the 1920's They had 6 children. Henry died in 1932 in Durham, North Carolina.