Stan Marks
Stan Marks is an Australian writer and journalist.
He is the husband of Holocaust survivor Eva Marks.
James Randall Marsh
James Randall Marsh( 1896- 1965) was an American artist and the husband of Anne Steele Marsh.
George Matheson Murray
George Matheson Murray,( July 27, 1889 – August 19, 1961), known publicly as George Murray, was a publisher and politician in British Columbia in the first half of the 20th century.
He played a role in the founding of the Boy Scouts of Canada.
Murray is best known as the husband of Margaret Lally" Ma" Murray.
Rick Casson
Richard L. Casson( born December 30, 1948 in Calgary, Alberta) is a Canadian politician.
Casson was a member of the Conservative Party of Canada in the House of Commons of Canada, representing the riding of Lethbridge from 1997 to 2011.
Jon Leach
Jonathan Leach( born April 18, 1973) is a former professional tennis player from the United States.
He is the husband of Lindsay Davenport.
Stan Rice
Stan Rice( November 7, 1942 – December 9, 2002) was an American poet and artist.
He was the husband of author Anne Rice.
Hugh Casson
Sir Hugh Maxwell Casson (23 May 1910, Hampstead, London – 15 August 1999, Chelsea, London) was a British architect, interior designer, artist, and writer and broadcaster on 20th-century design.
He was the director of architecture at the 1951 Festival of Britain on London's South Bank.
Alfred Tozzer
Alfred Marston Tozzer( 4 July 1877 – 5 October 1954) was an American anthropologist, archaeologist, linguist, and educator.
His principal area of interest was Mesoamerican, especially Maya, studies.
He was the husband of Margaret Castle Tozzer and father of figure skating champion Joan Tozzer.
Andrew Upton
Andrew Upton( born 1 February 1966) is an Australian playwright, screenwriter, and director.
He is the husband of actress Cate Blanchett.
Margaret Casson
Margaret Casson, Lady Casson (26 September 1913 – 12 November 1999) was an architect, designer and photographer, and the wife of architect Sir Hugh Casson.

Question: What is the place of birth of Margaret Casson's husband?
Answer: London