Samuel and Olivia Clemens’s children were Langdon (November 7, 1870–June 2, 1872), Olivia Susan “Susy” (May 19, 1872–August 18, 1896), Clara Langdon (June 8, 1874–November 19, 1962), and Jane Lampton “Jean” (July 26, 1880–December 24, 1909).

For more genealogical information on Samuel Clemens’s children, visit the Mark Twain Museumhttp://www.marktwainmuseum.org/content/research/twains_life_and_books.php. For short biographies and pictures of his daughters, visit "About Mark Twain". http://www.geocities.com/swaisman/wife-kids.htm