Knopf, Alfred A. (1892-1984). President of New York publisher Alfred A. Knopf, Inc. Knopf received his BA from Columbia University in New York City in 1912 and founded Alfred Knopf, Inc., in 1915 with his future wife Blanche Wolf. They married in 1916, and their son Alfred “Pat” Knopf was born in 1918. Cather chose him as her publisher beginning with Youth and the Bright Medusa (1920) and One of Ours (1922), partly because she was dissatisfied with the promotion of her books by Houghton Mifflin but also because she recognized the high quality of Knopf's books, as well as what she regarded as his intelligent advertising. Knopf was noted for publishing the work of leading European and South American writers in translation, as well as original works. Knopf and Cather’s extensive correspondence testifies to their mutual professional respect and to what also became an important personal friendship.

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.

Brockway, Virginia Cather (1912-1984) (“West Virginia”). Cather's niece. Born in Lander, WY, to Roscoe Cather and Meta Schaper Cather, Virginia graduated from Natrona County High School in Casper, WY, in 1929. She received an A.B. in English from Smith College in Northampton, MA, in 1933, the same year Willa Cather received an honorary doctorate there. In 1934, she enrolled in the University of Chicago School of Social Services and was, for a time, a social worker. She married John Hadley Brockway, a Navy officer, in 1936. They moved frequently until his retirement from the Navy. She had one child, son George. In letters, Willa Cather sometimes calls her "West Virginia" to distinguish her from her cousin Mary Virginia Auld because Virginia Cather's birthplace in Wyoming was farther west than Mary Virginia's in Nebraska.

Ickis, Elizabeth Cather (1915-1978) (half of the “twinnies”). Cather’s niece. Elizabeth and her twin sister Margaret were born in Lander, WY, to Roscoe and Meta Cather, and moved with the family to Casper, WY, in 1921. Elizabeth and Margaret both attended the University of Colorado, graduating in 1937, and visited Willa Cather and Edith Lewis on Grand Manan during the summers of 1936 and 1937. In Cather’s later letters to them she often refers back to their summer visits as a magical time. Elizabeth moved to Colusa, CA, with her parents in 1937 and married Lynn S. Ickis, an electrical engineer, in April 1938. They lived in Cleveland, OH, and had two children, Margaret and John.

Shannon, Margaret Cather (1915-1996) (half of the “twinnies”). Cather’s niece. Margaret and her twin sister Elizabeth were born in Lander, WY, to Roscoe and Meta Cather, and moved with the family to Casper, WY, in 1921. Elizabeth and Margaret both attended the University of Colorado, graduating in 1937, and visited Willa Cather and Edith Lewis on Grand Manan during the summers of 1936 and 1937. In Cather’s later letters to them, she often refers back to their summer visits as a magical time. Margaret moved to Colusa, CA, with her parents in 1937. After she married Richard Shannon in September 1938, she moved with him to Boston, MA, where he earned an MBA from Harvard University in Cambridge. In 1940 they moved to the New York City area, where their first child, Richard, was born in 1943. The Shannons moved to Washington, DC, in 1944, where their daughter Kathryne was born. Cather did not see Margaret again after she left New York, and Margaret’s other three children, Patricia, Margaret, and Elizabeth, were born after Cather’s death. Kathryne and Patricia became caretakers for a large family archive of letters preserved by their mother, which they donated to the University of Nebraska-Lincoln as the Roscoe and Meta Cather Collection.