".Following Edward IV's return to England to challenge the restored Lancastrian regime in 1471, Courtenay was in London with Henry VI and Edmund Beaufort, Duke of Somerset, while King Edward gathered troops in the East Midlands and manoeuvred against the Lancastrians under Richard Neville, Earl of Warwick.However, Somerset and Courtenay left the city to rendezvous in the south-west of England with Margaret of Anjou and her son, Edward of Westminster, Prince of Wales, who were returning from France.