Maria Teresa, Grand Duchess of Luxembourg
Maria Teresa, Grand Duchess of Luxembourg( born María Teresa Mestre y Batista; on 22 March 1956), is the spouse of Grand Duke Henri.
Mehdi Abrishamchi
Mehdi Abrishamchi is an Iranian People's Mujahedin of Iran( MEK) politician who has been described as" the right hand man of Massoud Rajavi".
He is the former spouse of the group's current leader, Maryam Rajavi, whom he divorced so that she could become the spouse of Massoud Rajavi.
Volker Schlöndorff
Volker Schlöndorff (born 31 March 1939) is a German filmmaker who has worked in Germany, France and the United States.
He was a prominent member of the New German Cinema of the late 1960s and early 1970s, which also included Werner Herzog, Wim Wenders, Margarethe von Trotta and Rainer Werner Fassbinder.
He won an Oscar as well as the Palme d'or at the 1979 Cannes Film Festival for "The Tin Drum" (1979), the film version of the novel by Nobel Prize-winning author Günter Grass.
Sophia Magdalena of Denmark
Sophia Magdalena of Denmark (3 July 1746 – 21 August 1813) was Queen of Sweden as the spouse of King Gustav III.
Adib Kheir
Adib Kheir was a leading Syrian nationalist of the 1920s.
He was the owner of the Librairie Universelle in Damascus.
His granddaughter is the spouse of Manaf Tlass.
Princess Auguste of Bavaria (1875–1964)
Princess Auguste of Bavaria( 28 April 1877 – 25 June 1964) was a member of the Bavarian Royal House of Wittelsbach and the spouse of Archduke Joseph August of Austria.
Gertrude of Bavaria
Gertrude of Saxony and Bavaria( 1152/55–1197) was Duchess of Swabia as the spouse of Duke Frederick IV, and Queen of Denmark as the spouse of King Canute VI.
Marie-Louise Coidavid
Marie Louise Coidavid( 1778 – March 11, 1851), was the Queen of the Kingdom of Haiti 1811 – 20 as the spouse of Henri I of Haiti.
Man on Horseback
Man on Horseback  is a 1969 German drama film directed by Volker Schlöndorff based on the novel "Michael Kohlhaas" by Heinrich Von Kleist.
It was entered into the 1969 Cannes Film Festival.
Another film based on the book was released at the 2013 Cannes Film Festival.
Heather D. Gibson
Heather Denise Gibson is a Scottish economist currently serving as Director- Advisor to the Bank of Greece( since 2011).
She is the spouse of Euclid Tsakalotos, former Greek Minister of Finance.

Question: Who is the spouse of the director of film Man On Horseback?
Answer: Margarethe von Trotta