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.
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.
Kyle Thousand
Kyle Jason Thousand( born October 2, 1980 in Sioux City, Iowa) is a sports agent and the head of the baseball division at Roc Nation Sports.
Roc Nation Sports, a division of Roc Nation, was launched by Jay Z in the spring of 2013 with his long- time business partner Juan Perez.
Roc Nation Sports is an exclusive sports agency that is home to the some of the world's best athletes in baseball, football, basketball and boxing.
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.
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.
Roc Nation Sports
Roc Nation Sports is the sports management division of Roc Nation.
Roc Nation Sports was founded by Shawn "JAY-Z" Carter in Spring 2013 in partnership with Creative Artists Agency, a prominent talent agency based in Los Angeles.
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.
Jay-Z
Shawn Corey Carter (born December 4, 1969), known professionally as Jay-Z (stylized as JAY-Z), is an American rapper, songwriter, producer, entrepreneur, and record executive.
He is regarded as one of the greatest rappers of all time.
Born and raised in New York City, Jay-Z first began his musical career after founding the record label Roc-A-Fella Records in 1995, and subsequently released his debut studio album "Reasonable Doubt" in 1996.
The album was released to widespread critical success, and solidified his standing in the music industry.
He has gone on to release twelve additional albums, which have all attained generally positive critical reception and commercial success, including "The Blueprint" (2001) and "The Black Album" (2003).
Jay-Z has also released the full-length collaborative albums
"Watch the Throne" (2011) and "Everything Is Love" (2018) with Kanye West and wife Beyoncé, respectively.
Outside of his musical career, Jay-Z has also attained significant success and media attention for his career as a businessman.
In 1999, he founded the clothing retailer Rocawear, and in 2003, he founded the luxury sports bar chain 40/40 Club.
Both businesses have grown to become multi-million dollar corporations, and allowed Jay-Z to fund the start-up for the entertainment company Roc Nation, which was founded in 2008.
In 2015, he acquired the tech company Aspiro, and took charge of their media streaming service Tidal, which has since become the world's third-largest online streaming company.
Jay-Z is one of the world's best-selling music artists, with over 100 million records sold worldwide.
He has won a total of 22 Grammy Awards, the most by a rapper, and holds the record for the most number-one albums by a solo artist on the "Billboard" 200, with 14.
He has been ranked by "Billboard" and fellow music publication "Rolling Stone" as one of the 100 Greatest Artists of All Time.
In 2017, he became the first rapper to be honored into the Songwriters Hall of Fame, and in 2018, received the commemorative "Salute to Industry Icons" award at the 60th Grammy Awards.
In June 2019, Jay-Z officially became the first hip hop billionaire, making him the 3rd wealthiest African-American and the wealthiest American musician.

Question: Who is the spouse of the founder of Roc Nation Sports?
Answer: Beyoncé