Original: Edward VI ( 12 October 1537 â '' 6 July 1553 ) became King of England and Ireland on 28 January 1547 and was crowned on 20 February at the age of nine .
Simplified: Edward VI of England ( 12 October 1537 â '' 6 July 1553 ) was King of England and King of Ireland from 28 January 1547 until his death .