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.
Tiësto
Tijs Michiel Verwest (born 17 January 1969), better known by his stage name Tiësto , is a Dutch DJ and record producer from Breda.
He was named "the Greatest DJ of All Time" by "Mix" magazine in a poll voted by the fans.
In 2013, he was voted by "DJ Mag" readers as the "best DJ of the last 20 years".
He is also regarded as the "Godfather of EDM" by many sources.
In 1997, he founded the label Black Hole Recordings with Arny Bink, where he released the "Magik" and "In Search of Sunrise" CD series.
Tiësto met producer Dennis Waakop Reijers in 1998; the two have worked together extensively since then.
From 1998 to 2000, Tiësto collaborated with Ferry Corsten under the name Gouryella.
His 2000 remix of Delerium's "Silence" featuring Sarah McLachlan exposed him to more mainstream audiences.
In 2001, he released his first solo album, "In My Memory", which gave him several major hits that launched his career.
He was voted World No. 1 DJ by "DJ Magazine" in its annual Top 100 DJs readership poll consecutively for three years from 2002 to 2004.
Just after releasing his second studio album "
Just Be" he performed live at the 2004 Summer Olympics opening ceremony in Athens, the first DJ to play live on stage at an Olympics.
In April 2007 Tiësto launched his radio show "Tiësto's Club Life" on Radio 538 in the Netherlands and released his third studio album "Elements of Life".
The album reached number one on the Belgian album chart as well on "Billboard" Top Electronic Albums in the U.S. and received a nomination for a Grammy Award in 2008.
Tiësto released his fourth studio album "Kaleidoscope" in October 2009, followed by "A Town Called Paradise" in June 2014.
He won the Grammy Award for Best Remixed Recording, Non-Classical for his remixed version of John Legend's hit "All of Me" at the 57th Annual Grammy Awards.
In September 2019, Tiësto married model Annika Backes in the middle of the Utah Desert.
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.
Harder (Tiësto and Kshmr song)
"Harder" is a song by Dutch DJ Tiësto and American record producer Kshmr, featuring vocals from British singer Talay Riley.
The song was written by Niles Hollowell-Dhar, Tijs Verwest, Talay Riley and Digital Farm Animals, with production handled by Kshmr and Tiësto.
It was released on June 16, 2017, via Musical Freedom.
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.
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.
Billy Milano
Billy Milano is a Bronx- born heavy metal musician now based in Austin, Texas.
He is the singer and- occasionally- guitarist and bassist of crossover thrash band M.O.D., and he was also the singer of its predecessor, Stormtroopers of Death.
He was also the singer of United Forces, which also featured his Stormtroopers of Death bandmate Dan Lilker.
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.

Question: Who is the spouse of the performer of song Harder (Tiësto And Kshmr Song)?
Answer: Annika Backes