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.
Warren Lewis
Warren Hamilton Lewis (16 June 1895 – 9 April 1973) was an Irish historian and officer in the British Army, best known as the elder brother of the author and professor C. S. Lewis.
Warren Lewis was a supply officer with the Royal Army Service Corps of the British Army during and after the First World War.
After retiring in 1932 to live with his brother in Oxford, he was one of the founding members of the "Inklings", an informal Oxford literary society.
He wrote on French history, and served as his brother's secretary for the later years of C. S. Lewis's life.
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.
Warren Lewis (footballer, born 1971)
Warren Lewis( born 13 April 1971) is a former South African professional association football player.
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
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.
C. S. Lewis
Clive Staples Lewis (29 November 1898 – 22 November 1963) was a British writer and lay theologian.
He held academic positions in English literature at both Oxford University (Magdalen College, 1925–1954) and Cambridge University (Magdalene College, 1954–1963).
He is best known for his works of fiction, especially "The Screwtape LettersThe Chronicles of Narnia", and
"The Space Trilogy", and for his non-fiction Christian apologetics, such as "Mere ChristianityMiracles", and "The Problem of Pain".
Lewis and fellow novelist J. R. R. Tolkien were close friends.
They both served on the English faculty at Oxford University and were active in the informal Oxford literary group known as the Inklings.
According to Lewis's memoir "Surprised by Joy", he was baptised in the Church of Ireland, but fell away from his faith during adolescence.
Lewis returned to Anglicanism at the age of 32, owing to the influence of Tolkien and other friends, and he became an "ordinary layman of the Church of England".
Lewis's faith profoundly affected his work, and his wartime radio broadcasts on the subject of Christianity brought him wide acclaim.
Lewis wrote more than 30 books which have been translated into more than 30 languages and have sold millions of copies.
The books that make up "The Chronicles of Narnia" have sold the most and have been popularised on stage, TV, radio, and cinema.
His philosophical writings are widely cited by Christian apologists from many denominations.
In 1956, Lewis married American writer Joy Davidman; she died of cancer four years later at the age of 45.
Lewis died on 22 November 1963 from renal failure, one week before his 65th birthday.
In 2013, on the 50th anniversary of his death, Lewis was honoured with a memorial in Poets' Corner in Westminster Abbey.
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
Klavs F. Jensen
Klavs Flemming Jensen( born August 5, 1952) is a chemical engineer who is currently the Warren K. Lewis Professor at the Massachusetts Institute of Technology( MIT).
From 2007 to July 2015 he was the Head of the Department of Chemical Engineering at MIT.
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 Warren Lewis?
Answer: Joy Davidman