Michael Haas (political scientist)
Michael Haas( born 1938, Detroit, Michigan) is an American political scientist.
Mollena Williams-Haas
Mollena Williams-Haas is an American writer, BDSM educator, actor, and former International Ms. Leather (2010).
She is married to the composer Georg Friedrich Haas.
Bernhard Haas
Bernhard Haas( born 1964) is a German organist, music theorist and academic.
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.
Christian Haas (footballer)
Christian Haas( born 18 November 1978) is a German former footballer who played as a forward.
Leonhard Haas
Leonhard Haas( born 19 January 1982 in Rosenheim) is a German footballer.
Derek Haas
Derek Haas( born June 30, 1970) is an American writer and producer.
Stan Rice
Stan Rice( November 7, 1942 – December 9, 2002) was an American poet and artist.
He was the husband of author Anne Rice.
Rüdiger Haas
Rüdiger Haas( born 15 December 1969) is a former professional tennis player from Germany.
Georg Friedrich Haas
Georg Friedrich Haas (born 16 August 1953 in Graz, Austria) is an Austrian composer.
In a 2017 "Classic Voice" poll of the greatest works of art music since 2000, pieces by Haas received the most votes (49), and his composition "in vain" (2000) topped the list.

Question: Where was the husband of Mollena Williams-Haas born?
Answer: Graz