Elizabeth II succeeded her father, this man who died unexpectedly at age 56
[DOC] [TLE] The moment a princess became a queen - BBC News - BBC.com [PAR] Feb 6, 2012 ... Princess Elizabeth was enjoying a brief break from her royal duties in Kenya 
when she learnt that her father, George VI, had suddenly died, and she was now 
Queen ... at that moment her father was lying dead and she had succeeded to ... 
streets of London, announcing George VI's death, at the age of 56.