Frances Ozma Baum Mantele (4 June 1916 – 9 October 1999) was the first granddaughter of L. Frank Baum, the daughter of Baum's youngest son Kenneth Gage Baum and his wife Dorothy Duce Baum. As an infant she was the dedicatee of The Lost Princess of Oz. Ozma Baum studied nursing, and married physician Kenneth Austin Mantele on 24 December 1945. (Her mother died on her wedding day.) After her marriage she became a grief counsellor for children. The Manteles had two children, son Craig and daughter Dorothy.