Caldona Jane Box Leffel is the daughter of Grief Johnson Box and Roenna Johnson. She was born on 18 March 1858 in Bradley County, Arkansas. When she was young, her family moved to Texas. She married Charles E. Leffel on 18 November 1875 in Dallas, Texas. She had nine children, Grandma Baldwin being the youngest. Caldona died 12 February 1926 in Chickasha, Oklahoma.