Robert and Thomas Wintour the continent and again failed to elicit Spanish support, but instead met Guy Fawkes, with whom he returned to England. Robert, a devout Catholic who inherited Huddington Court near Worcester, joined the conspiracy the following year. The plot began to unravel following the delivery of an anonymous letter to William Parker, 4th Baron Monteagle, warning him to stay away from Parliament. Thomas and Catesby confronted Monteagle's brother-in-law, the recently recruited Francis Tresham, threatening to kill him, but Tresham managed to convince them of his innocence. At that stage Thomas reportedly asked Catesby to abandon the scheme, to no avail. When
Robert and Thomas Wintour London on Sunday 3 November, said that he was ready to "abide the uttermost trial". On the same day, Robert and three others stayed at the home of John Talbot of Grafton, his father-in-law. His friends were Robert Acton and his two sons, plus servants. The group left the following morning with extra horses supplied by Everard Digby, and travelled to Coventry. Monteagle had delivered the letter to the English Secretary of State, Robert Cecil, 1st Earl of Salisbury, and on Saturday 2 November (about a week later) the Privy Council decided to undertake a search of Parliament. The following