Question: AutoTrader.co.za is a site for the company that was once a subsidiary of the company that was founded by whom?

Context paragraphs:
Keio Dentetsu Bus: Keio Dentetsu Bus Co., Ltd. (京王電鉄バス株式会社 , Keiō Dentetsu Basu Kabushiki-gaisha ) is a core bus-operating company of the Keio Group which was established on February 1, 2002, inherited business all of the Keio Electric Railway (present Keio Corporation) automobile operation division and started business on August 1 of the same year.  It has four subsidiaries, Keio Bus Higashi Co., Ltd. (京王バス東株式会社 , Keiō Basu Higashi Kabushiki-gaisha ) , Keio Bus Chuo Co., Ltd. (京王バス中央株式会社 , Keiō Basu Chūō Kabusiki-gaisha ) , Keio Bus Minami Co., Ltd. (京王バス南株式会社 , Keiō Basu Minami Kabushiki-gaisha ) and Keio Bus Koganei Co., Ltd. (京王バス小金井株式会社 , Keiō Basu Koganei Kabushiki-gaisha ) ("This article treats also about these subsidiaries").  The head office of these companies is located in Fuchu, Tokyo, Japan.  The operating area of a general bus on a regular route is mainly the Tokyo Tama area and if the management commission route to each subsidiary company is included, the operating area is reached mostly whole region along all areas along the Keio railroad lines.  Moreover, it operates around the expressway bus routes to Nagano Prefecture, Hida-Takayama, Miyagi Prefecture, etc. from Shinjuku.

Moller &amp; Co.: Möller & Co. was a shipping firm founded in Shanghai by Swedish captain Nils Möller in 1882.  In 1903, Möller's two sons took over the shipping business, reorganizing it as Moller Bros.  In 1907, the brothers sold their last sailing ships and purchased their first steam ship.  In 1910 the business became a sole proprietorship owned by brother Eric Möller under the name Möller & Co.  Routes traveled were mainly the China coast, Eastern Russia, Japan, Philippines and Indonesia.  In 1946 Möller took over management of both Alpha South African SS Co. and the Lancashire Shipping Co.  In 1953 the company abandoned the China coast trade and transferred its operations from Shanghai to Hong Kong.  Subsidiary companies included Grosvenor Shipping Co. (London), Red Anchor Line (Hong Kong) and Hong Kong and Redfern Shipping Co. (Bermuda).  Shipping operations were discontinued in 1981.

Auto Trader Group: Auto Trader was founded in 1975 by John Madejski, who went on to take over Reading Football Club in 1991.  John Madejski brought this idea back from the USA, and set up the business with Paul Gibbons in 1977.

Niš-Ekspres: Niš-Ekspres (full legal name: "Akcionarsko društvo za saobraćajnu delatnost Niš-Ekspres Niš") is a bus company based in Niš, Serbia.  The company was founded on March 3, 1951 as "Preduzeće za putnički saobraćaj" with a fleet composed of seven buses.  Today it is the largest and most-used public intercity transportation from Niš.

Safika Holdings: Founded in 1995, Safika Holdings (PTY) Limited www.safika.co.za is an influential South African investment holding company headed by Nelson Mandela's fellow political prisoners Sakumzi 'Saki' Macozoma and Moss Ngoasheng.

SsangYong Group: SsangYong Group is a South Korean based Chaebol or conglomerate.  "SsangYong", literally translated, means "Double Dragon".  It was largely broken up by the East Asian financial crisis in 1997.  The chaebol was forced to sell or relinquish control in many of their subsidiary interests including the SsangYong Motor Company; the Ssangyong Paper Co., now controlled by Hankook P&G; Ssangyong Cement Industrial Co., Ltd, was owned by the shipping company, Afro-Asia; Yongpyung Resort, Ssangyong Heavy Industries, Ssangyong Precision Industry Co., Ssangyong Engineering & Construction Co., Ltd, and Riverside Cement, now controlled by Texas Industries, Inc; and Ssangyong Oil Refining Co., sold to Aramco in 1999.

Bohai Trust: Bohai International Trust Co., Ltd. (BITC) known as just Bohai Trust, is a Chinese investment management company based in Shijiazhuang, Hebei Province.  The company has licensed to create trust (as private equity fund).  The company is a subsidiary of HNA Group for 51.23% shares (via HNA Capital), plus additional 22.10% shares via China Xinhua Airlines, a subsidiary (83.39%) of Hainan Airlines.  Hainan Airlines, a listed company, is partially owned by HNA Group.  The remain 26.67% shares of the trust company were owned by another subsidiary of HNA Group (), which the group owned 72.98% stake of that subsidiary directly and indirectly (via ).

AutoTrader.co.za: According to SimilarWeb, autotrader.co.za is South Africa's largest website in their "Autos and Vehicles" category.  Autotrader.co.za is an online automotive classifieds advertising website, which is part of Auto Trader South Africa.  The company publishes an automotive classifieds magazine Auto Trader as well.  Auto Trader South Africa was previously a subsidiary of the Auto Trader Group.  In 2013, the Auto Trader Group sold their South African business, Auto Trader South Africa, which then became a wholly South African-owned business.  The autotrader.co.za website is South Africa’s largest automotive marketplace website for buyers and sellers of both new and used cars and other types of vehicles.

Hotai Motor: Hotai Motor Co., Ltd. () is principally engaged in the distribution of automobiles and automobile parts with a revenue an approximate $2.5 billion USD, makes the company the largest automobile company in Taiwan.  The Company primarily provides small-sized vehicles, including cars and commercial vehicles, under the brand name of Toyota, as well as large-sized vehicles, including trucks and passenger cars, under the brand names such as Toyota and HINO.  The Company also provides air conditioners for vehicles.  During the year ended December 31, 2006, the Company obtained approximately 89% of its total revenue from small-sized vehicles.  The Company distributes its products mainly in the domestic market.  As of 2006, Hotai Motor Co. also has subsidiaries engaging in car rental/leasing, auto insurances, auto financial services and auto parts and are in leading position on all sectors in Taiwan.  Hotai's subsidiary Kuodo Motor operates Toyota/Lexus dealerships in Taiwan.  Another subsidiary, Hotong Motor, operates dealerships in China.

Wantitall.co.za: WantItAll.co.za is an online shop based in Johannesburg, South Africa that sells over 14 million products.  Founded in 2006 by Justin Drennan, Ryan Drennan and Terence Murphy, the company received venture capital and investment from respected South African entrepreneurs David Frankel (entrepreneur) and Ronnie Apteker.  WantItAll has 16 employees and is ranked as the third largest web store in South Africa in terms of sales and the second largest in terms of visitors as per Alexa Internet rankings, with 200 000 customers and over 150 000 products shipped from the US to South Africa.

Supporting paragraphs: AutoTrader.co.za Auto Trader Group
Answer: John Madejski