Queen Elizabeth II
Person Female Born 21/4/1926
Born 17 Bruton Street. When she was 10 her father became King George VI (on the abdication of his brother) and so she became next in line. Married Philip in 1947 with whom she has 4 children. On her father's death on 6 February 1952 she became Queen, crowned on 2 June 1953. Since 1959 her official birthday has been the second Saturday in June.
The portrait is by Lucian Freud.
If you want to know what will happen when she does, inevitably, die, this 2017 Guardian article details the plans.