This collection contains papers of the family of American author Samuel Langhorne Clemens (also known as Mark Twain), including 7 diaries of Jane Clampton Clemens (1880-1909), which detail her struggle with epilepsy, as well as medical treatments, ca. 1900, and correspondence and records of the family, including letters from all three Clemens daughters to their parents.

On February 2, 1870, Samuel Langhorne Clemens (1835-1910) married Olivia Langdon (1845-1904), the daughter of Jervis Langdon, a wealthy coal mine magnate. In the first year of their marriage, Olivia gave birth to their son, Langdon Clemens. The baby was premature, and died in 1872. Clemens and Olivia had three more children: Olivia Susan (1872-1896), Clara (1874-1962), and Jane Lampton (1880-1909). The girls spent most of their childhood years at the Clemens home in Hartford, Connecticut, although they often traveled to Europe with their parents. Summers were spent at Quarry Farm, in Elmira, New York, with Olivia Clemens' sister, Susan Langdon Crane (1836-1924), and her husband Theodore Crane, who managed the Langdon coal company with Olivia's brother, Charles Jervis Langdon (1849-1916). The Clemens family also had a close relationship with Olivia's brother, his wife Ida Clark, and their children Jervis, Julia (1871-1948), and Ida (1881-1964).

5 Linear Feet (139 items in 4 boxes)

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