Frances Walsingham, Countess of Essex Frances Walsingham, Countess of Essex Frances Walsingham, Dowager Countess of Essex and Countess of Clanricarde (1567 – 17 February 1633) was an English noblewoman. The daughter of Sir Francis Walsingham, Elizabeth I's Secretary of State, she became the wife of Sir Philip Sidney at age 16. Her second husband was The 2nd Earl of Essex, Queen Elizabeth's favourite, with whom she had five children. Shortly after his execution in 1601, she married her lover, The 4th Earl of Clanricarde, and went to live in Ireland. She was the only surviving child of Sir Francis Walsingham, Secretary of State for Queen
Francis Walsingham has already overwhelmed the brethren and neighbours in France and Flanders embrace us which be left in such sort as we shall not be able to escape." Walsingham tracked down Catholic priests in England and supposed conspirators by employing informers, and intercepting correspondence. Walsingham's staff in England included the cryptographer Thomas Phelippes, who was an expert in deciphering letters and forgery, and Arthur Gregory, who was skilled at breaking and repairing seals without detection. In May 1582, letters from the Spanish ambassador in England, Bernardino de Mendoza, to contacts in Scotland were found on a messenger by Sir John Forster,