He was married to Audrey Ruth Meyer (b. May 25, 1910, in Chicago, d. June 15, 1989, in Washington, D.C.), and they had three children — Forrest Jr., John and Jacqueline.
Forrest E. Mars, Jr. (born August 16, 1931) – son of Forrest E. Mars, Sr.
Mars | Nathan Bedford Forrest | Forrest Gump | Veronica Mars | The Mars Volta | Bruno Mars | Thirty Seconds to Mars | John Forrest | Mars, Incorporated | Mars (mythology) | Mars Science Laboratory | Mars Exploration Rover | Forrest | Ted Forrest | Mars trilogy | Mars Pathfinder | Forrest Gump (character) | Champ de Mars | An Anthropologist on Mars | Pyramids of Mars | Mars Global Surveyor | Mars and Beyond | Life on Mars (UK TV series) | Life on Mars | George Forrest | Forrest Tucker | Field of Mars | Edwin Forrest | Mars Society | Mars Lasar |
The ex-couple made significant contributions to the privately owned governing body for Fort Ticonderoga, though a falling-out between Executive Director Nicholas Westbrook and Mrs. Mars led to her resignation from the board and the end of the then-couple's financial support.
After he returned to the United States, Mars started his own food business, Food Products Manufacturing, where he established the Uncle Ben's Rice line and a gourmet food