From the early 1930s, until merged with British Leyland, Rover had much of the nature of a family business. • Maurice Wilks's elder brother,
Spencer Bernau Wilks (1891–1971), was general manager from September 1929 then managing director of Rover from 1932 until 1957 when he was appointed chairman of the board of directors. Spencer was hired by Rover managing director,
Frank Searle, from his position of joint (with
John Black) managing director of Hillman following the purchase of Hillman by the
Rootes brothers. Spencer brought Maurice from Hillman to Rover the following year to be Rover's chief engineer. : Aged 70 Spencer retired from the chair in favour of his much younger (13 years) brother at the beginning of 1962 remaining on the board in a non-executive capacity. He was made president of Rover in 1967. and later became engineering director but he retired for health reasons in July 1971 when only 51 and died the following year. •
Spencer King (1925–2010) was a nephew of Spencer and Maurice Wilks. He took over as technical director on the retirement of Peter Wilks. Spencer Wilks and
John Black of the
Standard Motor Company married sisters, daughters of
William Hillman bicycle and automobile manufacturer. ==References==