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
Robert Catesby he was to be allowed to "call in whom he thought best". Catesby soon added Ambrose Rookwood, a staunch Catholic who was both young and wealthy, but who most importantly owned a stable of fine horses at Coldham. For the plan to work Rookwood and his horses needed to be close to the other conspirators, and so Catesby persuaded him to rent Clopton House at Stratford-upon-Avon. Francis Tresham was brought into the plot on 14 October. Also descended from William Catesby, Tresham was Robert's cousin, and as young children the two had often visited White Webbs. Although his account of