Charlotte Lee, Lady Baltimore , was an English noblewoman, and granddaughter of King Charles II of England and his mistress Barbara Villiers. She married in 1699, Benedict Leonard Calvert, 4th Baron Baltimore, from whom she separated in 1705 and later, married Christopher Crowe. She was the mother of Charles Calvert, 5th Baron Baltimore, and of Benedict Leonard Calvert, who was Governor of Maryland, from 17271731.
Lady Charlotte Lee was born onMarch 1678 at St. Jamess Park, St. James, London. She was the eldest of at least fourteen children of Edward Henry Lee, 1st Earl of Lichfield and Lady Charlotte Fitzroy , illegitimate daughter of King Charles II by his mistress Barbara Villiers, Countess of Castlemaine, Duchess of Cleveland.
Source: Wikipedia