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 The waiting area is made to resemble a real riverboat loading area, with cargo deliveries sharing space on the dock. Historic United States flags are displayed at the attraction's entrance. Upon boarding "Mark Twain", passengers are free to move about her three levels. The lower deck's bow has chairs. The upper deck provides a vantage point for viewing landmarks throughout the voyage. The wheelhouse, where "Mark Twain"s pilot is stationed, is also located on the upper deck. The lower level of the wheelhouse features a sleeping area and a sink to maintain the illusion of this being the captain's living