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 (Jacobite) which in particular allowed for defense counsel. Rookwood pleaded not guilty, and was defended by Sir Bartholomew Shower and Constantine Phipps. George Porter, one of the principal conspirators, gave evidence against him, and Rookwood was convicted. Rookwood was executed at Tyburn on 29 April, with Lowick and Cranburn. In a manuscript which he gave to the sheriff at the place of execution, he excused himself. Some "Observations" on this paper were published in 1696. Ambrose Rookwood (Jacobite) Ambrose Rookwood (1664–1696) was an English Jacobite soldier, a conspirator and commander in the assassination plot of 1696 intended to kill William III