Mellen, Mary Virginia Auld (1906-1982) (“Virginia,” “M.V.”). Cather's niece. Born in Red Cloud, NE, to Jessica Cather Auld and James William Auld, Mary Virginia graduated from Red Cloud High School in 1924 and then spent a year at Dana Hall in Wellesley, MA, to qualify for admission to Smith College in Northampton, MA. In 1929 she received an A.B. in psychology from Smith and then moved to New York City, where she found work at Lord & Taylor before telling her aunt of her arrival. In 1930, probably with Willa Cather's help, she secured a position in the Circulation Department of the New York Public Library. In 1931, she entered the library's internal training school and in 1932 was assigned to the Tremont branch library in the Bronx. After Mary Virginia’s parents divorced in 1933 Cather took a quasi-parental role. She paid for vacations and when, in 1935, Mary Virginia married Richard (Dick) Mellen, a graduate of Harvard Medical School and roommate of her brother William Thomas Auld at Amherst College, she supervised wedding arrangements. After Dick was commissioned as a doctor in the Air Force, Mary Virginia—much to Cather’s regret—accompanied him to Chattanooga, TN, where he was assigned. In Cather's will, Mary Virginia was designated a beneficiary of the literary estate.

Cather, Charles Douglas (1880-1938) (“Douglass”). Cather’s brother. Born in Virginia and raised in Red Cloud, NE, Charles was third child and second son of Charles and Virginia Cather. As an adolescent, Douglass Cather helped his father supervise rented farm properties and worked as a messenger for the local Burlington & Missouri Railroad office. In 1897 he left Red Cloud for a position in Sterling, CO, and then took a position with at the Cheyenne, WY, office of the Burlington Railroad. In 1908 he traveled to Mexico, an experience that his sister gave to Emil Bergson in O Pioneers! (1913). By 1910 he was working for the Santa Fe railroad and living in Winslow, AZ, where Willa Cather visited him in 1912. He later achieved success in the oil business in California. Although he never married, Cather notes that during the last six or seven years of his life he had a relationship with Dorothy Rogers. Douglass visited Cather in New York City in December of 1937. His death in June 1938 left her devastated. Douglass served as a prototype for one of the twin brothers in the Templeton family in “Old Mrs. Harris” (1932) and Hector the messenger boy brother in “The Best Years” (1948). His years working for the Burlington also inspired Cather’s many railroad worker characters in her novels, including Song of the Lark (1915) and The Professor’s House (1925). Few letters from this important sibling relationship have survived.