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.
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.
Egil Monn-Iversen
Egil Ragnar Monn-Iversen (14 April 1928 – 7 July 2017) was a Norwegian musician, one of the most influential modern composers in Norway.
He has had many important roles in Norwegian music, film, opera, television, comedy and theater.
For some time he had so much influence in Norwegian culture that he got the nickname "The Godfather", even though he has always considered himself a down-to-earth musician.
Monn-Iversen owned a film production company, a record label, and an agency for musical artists, he was the founder of the vocal group
The Monn Keys, he was the CEO at the Chat Noir theatre, chairman at The Norwegian Opera and from the 1960s until his death in 2017 worked in NRK (Norwegian Broadcasting Corporation) and Det norske teatret (The Norwegian Theatre).
He composed scores to over 100 Norwegian movies and TV series.
Monn-Iversen was married to the Norwegian actor and singer Sølvi Wang until her death in 2011.
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.
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.
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.
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.
Walter Ulfig
Walter Ulfig was a German composer of film scores.
Før frostnettene
Før frostnettene (English: "Before the Frosts") is a 1966 Norwegian drama film directed by Arnljot Berg.
It is based on Sigurd Hoel's 1935 novel "Fjorten dager før frostnettene" (Fourteen Days before the Frosts) and it premiered on January 17, 1966.
The music for the film was composed by Egil Monn-Iversen.

Question: Who is the spouse of the composer of film Før Frostnettene?
Answer: Sølvi Wang