article_snippet.sent: As the only son of King Carl XVI Gustaf and Queen Silvia, the prince was the heir to the throne for a seven months after the prince was born in May 1979.
article_snippet.sent: But in January 1980 the rules were changed and the principle of primogeniture was introduced, meaning the throne will be inherited by the monarch's eldest child, Crown Princess Victoria.
article_snippet.sent: the monarch's eldest child, Crown Princess Victoria will be succeeded by the monarch's eldest child, Crown Princess Victoria daughter Estelle, who was born in February 2012.