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
Ambrose Rookwood Henry Garnet and John Gerard on a pilgrimage to the shrine of St Winefride's Well in Holywell. Late in September, he was approached by Robert Catesby, Thomas Wintour and John Wright, and invited to join what became known as the Gunpowder Plot. English Catholics had hoped that the persecution of their faith would end when James I came to the throne, as his attitude appeared to be moderate, even tolerant towards Catholics. In Catesby's view however, James had reneged on his promises. He therefore planned to kill the king by blowing up the House of Lords with gunpowder, and then