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.
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.
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.
When Naples Sings
When Naples Sings (Italian:Napoli che canta) is a 1926 Italian film directed by Roberto Roberti.
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.
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.
When Naples Sings (1930 film)
When Naples Sings (Italian: Napoli che canta) is a 1930 Italian musical film directed by Mario Almirante and starring Malcolm Tod.
The film was originally made in 1928 as a silent film but delays, including the addition of sound, meant it was not released for two years.
It consists almost entirely of recorded Neapolitan songs It was shot at the FERT Studios in Turin.
The film enjoyed some success, and was distributed in seven South American countries.
It has been described as a "poorly made musical film".
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.
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.
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 When Naples Sings?
Answer: Bice Valerian