Diana was born into the Spencer family. On her mother's side, Diana had Irish, Scottish, English, and American ancestry. One of her great-grandmothers was the New York heiress Frances Work. On her father's side, she was a descendant of King Charles II of England through two sons:
1.Henry Fitzroy, 1st Duke of Grafton, son by Barbara Villiers, 1st Duchess of Cleveland
2.Charles Lennox, 1st Duke of Richmond and Lennox, son by Louise de Kérouaille
She was also a descendant of King James II of England through a daughter, Henrietta FitzJames. Henrietta's mother was Arabella Churchill, the sister of John Churchill, 1st Duke of Marlborough. Her other notable ancestors included Robert I (the Bruce) and Mary, Queen of Scots (an aspect of family history in which Diana expressed great interest); Mary Boleyn; Lady Catherine Grey; Maria de Salinas; John Egerton, 2nd Earl of Bridgewater; and James Stanley, 7th Earl of Derby.…