Romanos Argyros (10th century)
Romanos Argyros was a Byzantine aristocrat and son-in- law of Emperor Romanos I Lekapenos.
Paul Greengard
Paul Greengard (December 11, 1925 – April 13, 2019) was an American neuroscientist best known for his work on the molecular and cellular function of neurons.
In 2000, Greengard, Arvid Carlsson and Eric Kandel were awarded the Nobel Prize for Physiology or Medicine for their discoveries concerning signal transduction in the nervous system.
He was Vincent Astor Professor at Rockefeller University, and served on the Scientific Advisory Board of the Cure Alzheimer's Fund, as well as the Scientific Council of the Brain & Behavior Research Foundation.
He was married to artist Ursula von Rydingsvard.
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.
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.
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.
Chris Chase
Chris Chase (born Irene Greengard; January 12, 1924 – October 31, 2013), also known by the stage name Irene Kane, was an American model, film actress, writer, and journalist.
Her best-known role was in "Killer's Kiss".
She later wrote advice books and co-authored several celebrity autobiographies.
Her younger brother is Nobel Prize winner Paul Greengard.
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
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 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.
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

Question: Who is the sibling-in-law of Chris Chase?
Answer: Ursula Von Rydingsvard