Willem Alexander of the Netherlands

April 1967 University Medical Center Utrecht,

WillemAlexander was born in Utrecht and is the oldest child of Beatrix of the Netherlands and German diplomat Claus van Amsberg. He became Prince of Orange and heir apparent to the throne of the Netherlands onApril 1980, when his mother became queen regnant, and he ascended the throne onApril 2013 when his mother abdicated.

Source: Wikipedia