 Under Edward VI John Dudley , Viscount Lisle was raised to the title of Earl of Warwick , while Edward Seymour , Earl of Hereford became Duke of Somerset and Lord Protector . In October 1549 the Protector lost his power in a trial of strength with the Privy Council , from which John Dudley , Earl of Warwick emerged as Lord President of the Council and leader of the government . Somerset , who had been imprisoned in the Tower of London , was soon allowed to rejoin the Council . Before his release , the Duchess of Somerset and the Countess of Warwick had arranged daily banquets in order to reconcile their husbands . A marriage between their respective eldest son and daughter , Anne Seymour and John Dudley , was equally promoted by the two ladies . In June 1550 a grand wedding was staged at the palace of Sheen , attended by the twelve @-@ year @-@ old King Edward . Jane Dudley continued as a great lady at court during the ascendancy of her husband , who became Duke of Northumberland in October <unk> . She was influential with him ; the financier Thomas <unk> and the diplomat Richard Morrison sought her patronage , and she also <unk> for Mary Tudor , who had stood <unk> to one of her daughters in 1545 . 
