Ambrose Rookwood the House of Lords, Guy Fawkes, was discovered there and arrested. Rookwood fled the city, and informed Catesby and the others of the plan's failure. Together the remaining conspirators rode to Holbeche House in Staffordshire, where on 8 November they were attacked by the pursuing Sheriff of Worcester and his men. Catesby was killed, but Rookwood survived, and was imprisoned in the Tower of London. Rookwood and the survivors were arraigned on 27 January 1606 in Westminster Hall. Pleading not guilty, he claimed to have loved Catesby "above any worldly man". His subsequent request for mercy was ignored, however, and
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