Sir Winston Churchill is a family member to what Countess of Derby born in 1559?
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. Spencer family:  Two prominent members of the family during the 20th century were Sir Winston Churchill and Diana, Princess of Wales.
Alice Spencer