Florida, Missouri. He then moved to St. Petersburg Hannibal on which he based the fictional town of Hannibal St. Petersburg. (Other way around from the original answer.)
Oh, by the way: His full name was Samuel Langhorne Clemens, if you do mean the author who is best known under the pen name 'Mark Twain'.
Samuel "Langhorne" Clemens
Yes, Samuel Langhorne Clemens is the real name of the author who wrote under the pen name Mark Twain.
The real name of the American author Mark Twain was Samuel Langhorne Clemens (1835 - 1910).
Samuel Langhorne Clemens.
Samuel Langhorne Clemens
The real name of novelist Mark Twain was Samuel Langhorne Clemens.
Samuel Langhorne Clemens
Langhorne Bond was born in 1937.
Richard Langhorne was born in 1624.
James Langhorne was born in 1879.
Langhorne Wister was born in 1834.
Chiswell Langhorne was born in 1843.