Mark Twain - In 1910, Clara Clemens had her only child, a daughter named Nina Gabrilowitsch. Nina died unmarried in 1966 of an overdose and was presumed to have never had a
Heartfelt History - A photo of Samuel Clemens (Mark Twain) with daughter Clara Clemens and her friend Miss Marie Nichols in 1908. Mark Twain and his wife Olivia had four children. However,
![Autograph letter signed, dated Hamilton, Bermuda, February 21–23 1910, to Mrs. Ossip Gabrilowitsch [Clara Clemens] | Letter to Clara Clemens, pages 3–4 | The Morgan Library & Museum Autograph letter signed, dated Hamilton, Bermuda, February 21–23 1910, to Mrs. Ossip Gabrilowitsch [Clara Clemens] | Letter to Clara Clemens, pages 3–4 | The Morgan Library & Museum](https://www.themorgan.org/sites/default/files/styles/collection_image/public/images/collection/twain_ma7271_p-3-4.jpg?itok=bkKwjzar)