Frances Walsingham, Countess of Essex survived infancy with her second husband, these were named Frances, Robert and Dorothy. Robert became the third Earl of Essex. In 1603, she married her third husband Richard De Burgh (or Burke), Earl of St Albans and Clanricarde. They had one son, Ulick Burke, 1st Marquess of Clanricarde, and a daughter, Honora, who became the second wife of John Paulet, 5th Marquess of Winchester. 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
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,