Mark Twain three of his siblings survived childhood: Orion (1825–1897), Henry (1838–1858), and Pamela (1827–1904). His sister Margaret (1830–1839) died when Twain was three, and his brother Benjamin (1832–1842) died three years later. His brother Pleasant Hannibal (1828) died at three weeks of age. When he was four, Twain's family moved to Hannibal, Missouri, a port town on the Mississippi River that inspired the fictional town of St. Petersburg in "The Adventures of Tom Sawyer" and the "Adventures of Huckleberry Finn". Slavery was legal in Missouri at the time, and it became a theme in these writings. His father was an attorney
Mark Twain Cave of Cameron Cave are offered, but are of a more primitive nature. The cave has no electric lights, and the only modifications made have been those mandated by law for safety. The entire cave complex is privately owned by the Coleberd family, descendants of Judge Cameron. It includes Mark Twain and Cameron caves, a campground, gift shop/visitors center, candle shop and winery. Other available activities include "The Life and Times of Mark Twain", a one-man stage performance that covers various highlights and the humor of the famed authors life from a first-person perspective. One of the newest additions to the