Charles Francis Norton
Charles Francis Norton( 1807 – 1835) was a 19th- century Member of Parliament for Guildford.
Norton was also a Captain of 52nd Light Infantry; son-in- law of Sir Colin Campbell; brother- in- law of writer Caroline Norton
Wyndham Goold
Wyndham Goold( 1812-1854) was a Member of Parliament( MP) for County Limerick from 1850 to 1854.
Goold was educated at Westminster School and Trinity College, Dublin.
He was the son in law of Frederick Falkiner Goold, Archdeacon of Raphoe and brother in law of Bishop Hamilton Verschoyle
Robert Vadra
Robert Vadra is an Indian businessman, entrepreneur and the husband of Priyanka Gandhi.
He is the son -in- law of Sonia Gandhi and Rajiv Gandhi, and the brother- in- law of Rahul Gandhi.
Eusebius (consul 359)
Flavius Eusebius( died after AD 371) was a Roman Senator, who was the brother- in- law of the emperor Constantius II.
Greg Penner
Gregory B. Penner( born December 18, 1969) is an American businessman and venture capitalist.
Penner was named the chairman of Walmart on June 5, 2015.
He is the son-in- law of S. Robson Walton and the grandson- in- law of Sam Walton, the founder of Walmart.
Harold Nicholas
Harold Lloyd Nicholas (March 17, 1921 – July 3, 2000) was an American dancer specializing in tap.
Nicholas was the younger half of the tap-dancing pair
the Nicholas Brothers, known as two of the world's greatest dancers.
His older brother was Fayard Nicholas.
Nicholas starred in the MGM musicals "An All-Colored Vaudeville Show" (1935), "Stormy Weather" (1943), "The Pirate" (1948).
and "The Five Heartbeats" (1991).
Hypatius (consul 359)
Flavius Hypatius( c. 340- died after AD 383) was a Roman Senator, who was the brother- in- law of the Roman emperor Constantius II.
Dorothy Dandridge
Dorothy Jean Dandridge (November 9, 1922 – September 8, 1965) was an American film and theatre actress, singer, and dancer.
She is perhaps one of the most famous black actresses to have a successful Hollywood career and the first to be nominated for an Academy Award for Best Actress for her performance in the 1954 film "Carmen Jones".
Dandridge performed as a vocalist in venues such as the Cotton Club and the Apollo Theater.
During her early career, she performed as a part of The Wonder Children, later The Dandridge Sisters, and appeared in a succession of films, usually in uncredited roles.
In 1959, Dandridge was nominated for a Golden Globe Award for "Porgy and Bess".
She is the subject of the 1999 HBO biographical film, "Introducing Dorothy Dandridge".
She has been recognized with a star on the Hollywood Walk of Fame.
Dandridge was married and divorced twice, first to dancer Harold Nicholas (the father of her daughter, Harolyn Suzanne) and then to hotel owner Jack Denison.
Dandridge died under mysterious circumstances at age 42.
Nick Sidi
Nick Sidi( born 22 February 1966 in Manchester, England) is an English actor.
He is the son -in- law of actress Rosalind Knight and brother- in- law of actress Susannah Elliott- Knight.
He often plays drama or comedy roles on television and frequently appears in BBC dramas.
Robert W. Levering
Robert Woodrow Levering( October 3, 1914 – August 11, 1989) was a U.S. Representative from Ohio, son-in- law of Usher L. Burdick and brother- in- law of Quentin N. Burdick.

Question: Who is the sibling-in-law of Dorothy Dandridge?
Answer: Fayard Nicholas