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 signature, 'Thomas Winter', differs from his normal signature, 'Thomas Wintour' (it was the former that was invariably used by the government). The signature, possibly forged by lieutenant of the Tower of London William Waad, was made only weeks after Thomas had been shot in the shoulder during the siege at Holbeche House. Biographer Mark Nicholls views the difference in signatures as a significant and puzzling lapse, if a "master forger" is presumed to be responsible for the document. He views the handwriting on the confession as "convincingly that of Winter [Wintour]", pointing out that it appears to be the work