 Her husband of 62 years, Shelby Cullom Davis, predeceased her in 1994.Her children include one son, Shelby Davis (Shelby Moore Cullom), and two daughters, Diana Cullom Davis Spencer and Priscilla Alden Davis (deceased).The Wasserman family were successful merchants in St. Louis in the middle of the 19th century, and Kathryn's father, Joseph Wasserman, moved to Philadelphia to develop the Art Loom Company.