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.
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.
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.
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
Margaret Mazzantini
Margaret Mazzantini (born 27 October 1961) is an Italian writer and actress.
She became a film, television and stage actor, but is best known as a writer.
Mazzantini began her acting career in 1980 starring in the cult horror classic "Antropophagus", she has also appeared in television and theatre.
As a successful writer her novels include "Non ti muovereDon't Move") which was adapted into a film of the same name and is directed by her husband Sergio Castellitto and stars Penélope Cruz.
Her career as a writer and actress has earned her several awards and nominations including Campiello Awards, a Golden Ticket Award, and a Goya Award.
Giselda Volodi
Giselda Volodi (born 1959) is an Italian actress.
She was born Giselda Mazzantini, in Tangier, Morocco, to the family of writer Carlo Mazzantini and artist Anne Donnelly.
She is the sister of writer/actress Margaret Mazzantini and producer Moira Mazzantini.
She made her film debut in "Hudson Hawk".
Other roles since then include "Ocean's Twelve" and "The Grand Budapest Hotel".
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.
Eusebius (consul 359)
Flavius Eusebius( died after AD 371) was a Roman Senator, who was the brother- in- law of the emperor Constantius II.
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

Question: Who is Giselda Volodi's sibling-in-law?
Answer: Sergio Castellitto