On December 21, 1941, Sherwood Schwartz married Mildred Seidman, and together they had four children: Donald Schwartz, who became an ophthalmologist; Lloyd J. Schwartz, who worked with his father in a show business; Ross Schwartz, who became an attorney; and Hope Juber, a writer and producer. His granddaughter is singer-songwriter Ilsey Juber, the daughter of Hope and guitarist Laurence Juber, the former lead guitarist for the band Wings.
