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.
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.
Romanos Argyros (10th century)
Romanos Argyros was a Byzantine aristocrat and son-in- law of Emperor Romanos I Lekapenos.
Samuel Benchetrit
Samuel Benchetrit (born 26 June 1973) is a French writer, actor, scenarist and director.
He is of Moroccan-Jewish descent.
Born in Champigny-sur-Marne, Benchetrit was married to French actress Marie Trintignant from 1998 until her murder by her lover Bertrand Cantat in 2003.
On 17 April 1998 the couple had a child, .
From 2005 to 2012 Benchetrit was in a relationship with French actress Anna Mouglalis; they have a daughter, Saül, born on 7 March 2007.
In 2016, while shooting his fifth film, "Dog", Benchetrit fell in love with Vanessa Paradis, whom he directed.
They married in June 2018.
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
Lee Chan-hyuk
Lee Chan- hyuk( born September 12, 1996), is a South Korean singer, songwriter and producer.
He debuted as a member of the sibling duo AKMU in April 2014, under YG Entertainment.
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
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.
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.
Vanessa Paradis
Vanessa Chantal Paradis (born 22 December 1972) is a French singer, model and actress.
Paradis became a child star at 14 with the worldwide success of her single "Joe le taxi".
Since 1991, Paradis has been a spokesmodel for Chanel.
She was in a relationship with
American actor Johnny Depp from 1998 to 2012; they have two children: Lily-Rose and John "Jack" Christopher Depp III.
Vanessa's sister, Alysson Paradis, is also an actress.

Question: Who is the sibling-in-law of Samuel Benchetrit?
Answer: Alysson Paradis