Question: Who is Vivian Dandridge's sibling-in-law?

Knowledge 1: Vivian Dandridge
Vivian Alferetta Dandridge (April 22, 1921 – October 26, 1991) was an American singer, actress and dancer.Dandridge is best known as being the older sister of actress and singer Dorothy Dandridge and the daughter of actress Ruby Dandridge.Dandridge was a member of the Dandridge Sisters musical group, along with Etta Jones and Dorothy Dandridge from 1934 until the group disbanded in 1940.Dandridge went on to appear in minor roles on films and television from 1940 through the early–1960's.Never really achieving notable success as her younger sister, Dandridge disappeared from the public eye by 1970.Dandridge died after suffering a stroke on October 26, 1991 at age 70. [SEP] Knowledge 2: 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.
Knowledge 1: Vivian Dandridge
Vivian Alferetta Dandridge (April 22, 1921 – October 26, 1991) was an American singer, actress and dancer.Dandridge is best known as being the older sister of actress and singer Dorothy Dandridge and the daughter of actress Ruby Dandridge.Dandridge was a member of the Dandridge Sisters musical group, along with Etta Jones and Dorothy Dandridge from 1934 until the group disbanded in 1940.Dandridge went on to appear in minor roles on films and television from 1940 through the early–1960's.Never really achieving notable success as her younger sister, Dandridge disappeared from the public eye by 1970.Dandridge died after suffering a stroke on October 26, 1991 at age 70. [SEP] Knowledge 2: 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.
Knowledge 1: Vivian Dandridge
Vivian Alferetta Dandridge (April 22, 1921 – October 26, 1991) was an American singer, actress and dancer.Dandridge is best known as being the older sister of actress and singer Dorothy Dandridge and the daughter of actress Ruby Dandridge.Dandridge was a member of the Dandridge Sisters musical group, along with Etta Jones and Dorothy Dandridge from 1934 until the group disbanded in 1940.Dandridge went on to appear in minor roles on films and television from 1940 through the early–1960's.Never really achieving notable success as her younger sister, Dandridge disappeared from the public eye by 1970.Dandridge died after suffering a stroke on October 26, 1991 at age 70. [SEP] Knowledge 2: 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

Answer: Harold Nicholas