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
John VI of Portugal is the principle behind membership in royal houses, as it can be traced back through the generations, which means that John VI is, ultimately, a member of the Robertian dynasty. John VI of Portugal John VI (Portuguese: "João VI"; – ), nicknamed "the Clement", was King of the United Kingdom of Portugal, Brazil and the Algarves from 1816 to 1825. Although the United Kingdom over which he ruled ceased to exist "de facto" beginning in 1822, he remained its monarch "de jure" between 1822 and 1825. After the recognition of Brazilian independence under the Treaty of Rio de Janeiro of