Premise: Charles , Prince of Wales ( Charles Philip Arthur George ; born 14 November 1948 ) is the eldest child and heir apparent of Queen Elizabeth II . Charles was born at Buckingham Palace as the first grandchild of King George VI and Queen Elizabeth . In 1981 , he married Lady Diana Spencer and they had two sons : Prince William ( born 1982 ) later to become Duke of Cambridge , and Prince Harry ( born 1984 ) .
Hypothesis: Charles, Prince of Wales was the first child of at least one wife of King George VI.
Label: ENTAILMENT