Question: Who is the mother of the founder of Waitrose Duchy Organic?

Knowledge 1: Waitrose Duchy Organic
Waitrose Duchy Organic (formerly Duchy Originals from Waitrose and earlier simply Duchy Originals) is a brand of organic food sold mainly in Waitrose stores in the United Kingdom, Ocado and small independent stores.The brand is a partnership between Waitrose and Duchy Originals Limited, a company set up by Charles, Prince of Wales, in 1990 and named after the Duchy of Cornwall estates that are held in trust by the Prince of Wales. [SEP] Knowledge 2: Charles, Prince of Wales
Charles, Prince of Wales (Charles Philip Arthur George; born 14 November 1948) is the heir apparent to the British throne as the eldest son of Elizabeth II.He has been Duke of Cornwall and Duke of Rothesay since 1952, and he is the oldest and longest-serving heir apparent in British history.He is also the longest-serving Prince of Wales, having held that title since 1958.Charles was born at Buckingham Palace as the first grandchild of King George VI and Queen Elizabeth.He was educated at Cheam and Gordonstoun schools, which his father, Prince Philip, Duke of Edinburgh, had attended as a child.Charles also spent a year at the Timbertop campus of Geelong Grammar School in Victoria, Australia.After earning a Bachelor of Arts degree from the University of Cambridge, Charles served in the Royal Air Force and Royal Navy from 1971 to 1976.In 1981, he married Lady Diana Spencer, and they had two sons: Prince William (b. 1982) and Prince Harry (b. 1984).In 1996, the couple divorced following well-publicised extramarital affairs by both parties.Diana was killed in a car crash in Paris the following year.In 2005, Charles married long-time partner Camilla Parker Bowles.As Prince of Wales, Charles undertakes official duties on behalf of the Queen and the Commonwealth realms.Charles founded The Prince's Trust in 1976, sponsors The Prince's Charities, and is a patron, president, and a member of over 400 other charities and organisations.As an environmentalist, he raises awareness of organic farming and climate change, which has earned him awards and recognition from environmental groups.His support for alternative medicine, including homeopathy, has been criticised by some in the medical community, and his views on the role of architecture in society and the conservation of historic buildings have received considerable attention from British architects and design critics.Since 1993, Charles has worked on the creation of Poundbury, an experimental new town based on his preferences.He is also an author and co-author of a number of books.
Knowledge 1: Waitrose Duchy Organic
Waitrose Duchy Organic (formerly Duchy Originals from Waitrose and earlier simply Duchy Originals) is a brand of organic food sold mainly in Waitrose stores in the United Kingdom, Ocado and small independent stores.The brand is a partnership between Waitrose and Duchy Originals Limited, a company set up by Charles, Prince of Wales, in 1990 and named after the Duchy of Cornwall estates that are held in trust by the Prince of Wales. [SEP] Knowledge 2: Sky Dayton
Sky Dylan Dayton( born August 8, 1971) is an American entrepreneur and investor.He is the founder of Internet service provider EarthLink, co-founder of eCompanies, and the founder of Boingo.
Knowledge 1: Waitrose Duchy Organic
Waitrose Duchy Organic (formerly Duchy Originals from Waitrose and earlier simply Duchy Originals) is a brand of organic food sold mainly in Waitrose stores in the United Kingdom, Ocado and small independent stores.The brand is a partnership between Waitrose and Duchy Originals Limited, a company set up by Charles, Prince of Wales, in 1990 and named after the Duchy of Cornwall estates that are held in trust by the Prince of Wales. [SEP] Knowledge 2: John De Margheriti
John De Margheriti( born July 1962) is an Italian- born Australian electrical engineer, software developer and entrepreneur.De Margheriti is widely seen as a founding' father' of Australia's video games industry and Australia's most experienced interactive entertainment business executive.He is the founder and former CEO of BigWorld Pty Limited and the founder of parent company Micro Forté Pty Limited.De Margheriti is also the Executive Chairman of the Academy of Interactive Entertainment, the Chairman of Canberra Technology Park, the founder of the Game Developers' Association of Australia, the founder of the Australian Game Developers Conference, and the founder of the three Canberra business parks, the co-founder of DEMS Entertainment, the co-founder of Dreamgate Studios, the co-founder of Game Plus and co-founder of The Film Distillery De Margheriti has been recognised as an Honorary Ambassador for Canberra due to his contribution to Australia's national capital.

Answer: Elizabeth II