Question: Sir Winston Churchill is a family member to what Countess of Derby born in 1559?

Context paragraphs:
Westminster College (Missouri): Westminster College is a private, residential, undergraduate college with a curriculum based on the liberal arts.  Located in Fulton, Missouri, the College was established in 1851 as Fulton College.  The National Churchill Museum (formerly known as the Winston Churchill Memorial and Library) is a national historic site located on campus and is recognized by the US Congress and by the International Churchill Society.  It is home to the Church of St Mary, Aldermanbury.  The church, designed by Sir Christopher Wren in 1667, was rebuilt on the campus to commemorate Sir Winston Churchill, who made his famous "Iron Curtain" speech at the college gymnasium in 1946.  Mikhail Gorbachev gave a speech there in 1992, declaring the end of the Cold War.  Steeped in historic tradition, the college continues with contemporary and world-known speakers discussing topical issues impacting society.

Sir Winston Churchill High School: Sir Winston Churchill High School is a senior high school in Calgary, Alberta, Canada.  It derives its name from Sir Winston Churchill, Prime Minister of the United Kingdom during World War II and the early 1950s.  The high school is built in the Northwest community of Brentwood, and currently accommodates 2 150 students as of September 2016.  The school offers the International Baccalaureate (IB) programme, various second languages, and numerous clubs and teams.

Spencer family: The Spencer family is one of Britain's preeminent aristocratic families.  Over time, several family members have been made knights, baronets, and peers.  Hereditary titles held by the Spencers include the dukedom of Marlborough, the earldoms of Sunderland and Spencer, and the Churchill viscountcy.  Two prominent members of the family during the 20th century were Sir Winston Churchill and Diana, Princess of Wales.

Alice Spencer, Countess of Derby: Alice Spencer, Countess of Derby (4 May 1559 – 23 January 1637) was an English noblewoman from the Spencer family and noted patron of the arts.  Poet Edmund Spenser represented her as "Amaryllis" in his eclogue "Colin Clouts Come Home Againe" (1595) and dedicated his poem "The Teares of the Muses" (1591) to her.

USS Winston S. Churchill: USS "Winston S. Churchill" (DDG-81) is an "Arleigh Burke"-class destroyer of the United States Navy.  She is named after British Prime Minister Sir Winston Churchill.  This ship is the 31st destroyer of her class.  "Winston S. Churchill" was the 18th ship of this class to be built at Bath Iron Works in Bath, Maine, and construction began on 7 May 1998.  She was launched and christened on 17 April 1999.  On 10 March 2001, she was commissioned during a ceremony at Town Point Park in Norfolk, Virginia.  Her home port is in Naval Station Norfolk, Virginia.  She is a component of Carrier Strike Group Twelve.

Winston Churchill Avenue, Dominican Republic: The Avenue Winston Churchill is the most important avenue of the central polygon of the National District in the Dominican Republic.  This avenue contains the main shopping centres and businesses of Santo Domingo, in addition to attractions and cultural zones, between them in the east is "The Boulevard of the stars", inspired by the Walk of the Fame of Hollywood.  Hands beside stars of important artists like Juan Luis War, Ángela Carrasco, Freddy Beras Goico, Julio Churches, Óscar of the Income among others.  The avenue carries the name of the ex-English prime minister Sir Winston Churchill.

Winston Churchill (Cavalier): Sir Winston Churchill, FRS (18 April 1620 – 26 March 1688), known as the "Cavalier Colonel", was a British soldier, nobleman, historian, and politician.  He was the father of John Churchill, 1st Duke of Marlborough, as well as an ancestor of his 20th-century namesake, Prime Minister Sir Winston Churchill.

Winston Churchill (1940–2010): Winston Spencer-Churchill (10 October 1940 – 2 March 2010), generally known as Winston Churchill, was a British Conservative Party politician and a grandson of former Prime Minister Sir Winston Churchill.  During the period of his prominence as a public figure, he was normally referred to as Winston Churchill, MP, in order to distinguish him from his grandfather.  His father Randolph Churchill was also an MP.

Winston Churchill Memorial Trusts: The Winston Churchill Memorial Trusts are three independent but related living memorials to Sir Winston Churchill.  They are based in the UK, Australia, and New Zealand.

National Churchill Museum: The National Churchill Museum (formerly the Winston Churchill Memorial and Library), located on the Westminster College campus in Fulton, Missouri, United States, commemorates the life and times of Sir Winston Churchill.  In 1946, Winston Churchill delivered his famous in the Westminster Historic Gymnasium.  In it was the line: "From Stettin in the Baltic to Trieste in the Adriatic an iron curtain has descended across the Continent."  This sentence caused the oration to become known as the "Iron Curtain" speech.  "Sinews of Peace" heralded the beginning of the Cold War.

Supporting paragraphs: Alice Spencer, Countess of Derby Spencer family
Answer: Alice Spencer