England after Henry VIII death went through cardinal changes under the Tudors. Though Henry VIII selected couple of trustworthy of his men (the Council) in order to advice Edward VI, Uncle Edward (Edward Seymour) established the Protectorate and created a new Privy Council. His downfall was followed by Duke of Northumberland’s government until Edward VI death. With Mary I Catholicism returned. As a rule of thumb she created her own Privy Council. The number and the name of this institution were in constant change depended upon the ruler. Elizabeth I for example needed less loyal members than her predecessors. The essay is dedicated to introduce those men who she relied on the most, her Privy Council throughout a series of events taken place during her reign such as the succession crisis, her would have been marriages, the wars and the relationship of hers with Mary Stuart.