Edward VI of England half-sister Mary would jeopardise the English Reformation, and Edward's Council and officers had many reasons to fear it. Edward himself opposed Mary's succession, not only on religious grounds but also on those of legitimacy and male inheritance, which also applied to Elizabeth. He composed a draft document, headed "My devise for the succession", in which he undertook to change the succession, most probably inspired by his father Henry VIII's precedent. He passed over the claims of his half-sisters and, at last, settled the Crown on his first cousin once removed, the 16-year-old Lady Jane Grey, who on 25 May 1553
Edward VI of England to Elton, the publication of Cranmer's revised prayer book in 1552, supported by a second Act of Uniformity, "marked the arrival of the English Church at Protestantism". The prayer book of 1552 remains the foundation of the Church of England's services. However, Cranmer was unable to implement all these reforms once it became clear in spring 1553 that King Edward, upon whom the whole Reformation in England depended, was dying. In February 1553, Edward VI became ill, and by June, after several improvements and relapses, he was in a hopeless condition. The king's death and the succession of his Catholic