Sam Clemens (Mark Twain) was the sixth if seven children, only four of whom survived childhood.
His brothers were Orion, Henry, Benjamin, and Pleasant.
His sisters were Pamela and Margaret.
Samuel Clemens (Mark Twain) had the following brothers and sisters: Orion (July 17, 1825 - December 11, 1897) Henry (July 13, 1838 - June 21, 1858) Pamela (September 19, 1827 - August 31, 1904)...