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.
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.
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.
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.
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.
Roberto Roberti
Roberto Roberti (24 July 1879 – 10 January 1959) was an Italian actor, screenwriter and film director.
He made over sixty films, mostly during the silent era.
He was born Vincenzo Leone, but adopted Roberti as his screen name.
He was married to the actress Bice Valerian.
Their son Sergio Leone became a celebrated director.
During the 1910s Roberti made a number of films for the Turin-based Aquila Films, often featuring his wife in a leading role.
He then moved to Caesar Film where he directed eighteen films starring the diva Francesca Bertini.
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.
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.
The Serpent (1920 film)
The Serpent (Italian:La serpe) is a 1920 Italian silent film directed by Roberto Roberti and starring Francesca Bertini.
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.

Question: Who is the spouse of the director of film The Serpent (1920 Film)?
Answer: Bice Valerian