Joan Frankel was born 28 June 1924 in Montreal, Quebec, Canada to Roy Hecker Frankel (1896-1983) and Ruth J. Froehlich (1903-1984) and died 28 March 2000 Los Angeles, California, United States of unspecified causes.
Children
| Name | Birth | Death | Joined with |
| James Roy Horner (1953-2015) | 14 August 1953 Los Angeles, California, United States | 22 June 2015 Los Padre National Forest, California, United States | Sara Elizabeth Nelson (1954) |
Siblings
| Name | Birth | Death | Joined with |
| Joan Fraenkel (1924-2000) | 28 June 1924 Montreal, Quebec, Canada | 28 March 2000 Los Angeles, California, United States | Harry Horner (1910-1994) |