Prince Rupert of the Rhine for a speedy success in the north. In November 1644 Rupert was appointed General of the entire Royalist army, which increased already marked tensions between him and a number of the King's councillors. By May 1645, and now desperately short of supplies, Rupert captured Leicester, but suffered a severe reversal at the Battle of Naseby a month later. Although Rupert had counselled the King against accepting battle at Naseby, the opinions of Digby had won the day in council: nonetheless, Rupert's defeat damaged him, rather than Digby, politically. After Naseby, Rupert regarded the Royalist cause as lost, and urged Charles
Daniel O'Neill (Royalist) for immunity, he returned to England a few months later and surrendered to John Pym but was sent to Gatehouse Prison to await his trial. His health began to suffer and in 1642, he was petitioned for better treatment and was transferred to the Tower of London where he escaped by tying bed sheets and a tablecloth together and dressing as a woman. Fleeing to Brussels, O'Neill gathered troops and arms for the royalist campaigns in the English Civil War, served under Prince Rupert of the Rhine and fought at Edgehill, Chalgrove Field and the First Battle of Newbury. After