Question: Who is the granddaughter of the business magnate who founded the food company Mars, Incorporated?
Context: Castleberry's Food Company is an Augusta, Georgia-based canned food company founded in the 1920s by Clement Stewart Castleberry with the help of his father Clement Lamar Castleberry and closed in March 2008 by the United States Food and Drug Administration until Hanover Foods bought the rights to Castleberry's food and name. Metcalfe’s Food Company was a privately owned food business set up in 2010 by Julian Metcalfe, the founder of the sandwich chain Pret A Manger and Robert Jakobi.  Metcalfe’s Food Company sold products under two brands Metcalfe's Skinny and itsu grocery. Ashley Food Company is a hot sauce manufacturer, based in Sudbury, Massachusetts.  The Ashley Food Company product line, called Mad Dog Hot Sauces, contains 28 hot sauces, oils and chili powders and barbecue sauce.  In the spring of 2012 Ashley Food Company wanted to be in control of the quality and quantity of the scorpion peppers and any others they use in their products, so they started growing them in Massachusetts with the help of local greenhouses and an agricultural school. Gyeonggi Snack Company is a Korean food company established in 2004 and headquartered in Paju Gyeonggi-do, Korea.  It manufactures snack fruit food products and produced food company brand is "SnackBox". Forrest Edward Mars Sr. (March 21, 1904 – July 1, 1999) was an American businessman and the driving force of the Mars candy empire.  He is best known for introducing Milky Way (1923) and Mars (1932) chocolate candy bars, and M&M's (1941) chocolate candy, as well as orchestrating the launch of Uncle Ben's Rice.  He was the son of candy company Mars, Inc. founder Frank C. Mars and his first wife Ethel G. Mars (née Kissack). Jacqueline Mars (born October 10, 1939) is an American heiress and investor.  She is the daughter of Audrey Ruth (Meyer) and Forrest Mars, Sr., and granddaughter of Frank C. Mars, founders of the American candy company Mars, Incorporated.  In 2014, "Forbes" described Mars as the 20th richest American. Whiskas (formerly known as Kal Kan) is a brand of cat food sold throughout the world.  It is owned by the American company Mars, Incorporated.  It is available either as meat-like pieces in cans, pouches, or dry biscuits.  Most packaging is a recognisable purple color with a stylized silhouette of a cat's head. Franklin Clarence Mars ( ; September 24, 1882 – April 8, 1934), sometimes known as Frank C. Mars, was an American business magnate who founded the food company Mars, Incorporated, which mostly makes chocolate candy.  Mars' son Forrest Edward Mars developed M&M's and the Mars bar. Carapelli (full name is Carapelli Firenze SpA ) is an Italian food company based in Tavarnelle Val di Pesa, which is a small town in the Metropolitan City of Florence, most famous for its extra virgin olive oil.  The company was started as a home business in 1893 by Cesira and Costantino Carapelli.  Other members of the Carapelli family joined the business and the company rapidly grew in size and popularity, to become the most modernised food company in Italy by the 1940s.  Today, Carapelli is the leading Italian extra virgin olive oil company and 30% of its production is exported in Europe and America. La Loma Foods, formerly named Loma Linda Food Company and Loma Linda Foods, and with products presently branded under the name Loma Linda and Loma, is a former food manufacturing company that produced vegetarian and vegan foods.  It is presently an active brand of vegetarian and vegan food products produced and purveyed by the Atlantic Natural Foods Company of Nashville, North Carolina.  Loma Linda Foods began operations in 1905 under the name The Sanitarium Food Company and was owned by the Seventh-day Adventist Church until 1990.
Answer: Jacqueline Mars