By the time Mark Twain got married, he had fame and some fortune. He and Olivia (Livy) adored each other.
Her nickname for him was Youth. Although their only son died young, they took delight in their three daughters: Susy, Clara, and Jean. But despite a writing career that made him world famous, Twain had financial problems for many years. When those were finally settled, family tragedies troubled his later years.