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 Riverboat for many months, while "Mark Twain"s ongoing refurbishment at the dry dock was finished. In September 2005, "Molly Brown" was moved to the dry dock, and in March 2006, "Mark Twain" finally resumed operation from Thunder Mesa Riverboat Landing. However, it was not until September that "Molly Brown"s long refurbishment finally began, and was completed in late April 2007. Yet, in 2010, "Molly Brown" had to be rebuilt from scratch. On March 25, 2011, she was back in business, with a new recording of Molly Brown's speech in English, which used to be in French. The Mark Twain hasn’t operated