Willem-Alexander (Dutch: [ˈʋɪləm aːlɛkˈsɑndər]; Willem-Alexander Claus George Ferdinand; born 27 April 1967) is King of the Netherlands, having acceded to the throne following his mother's abdication in 2013. Willem-Alexander was born in Utrecht as the oldest child of Princess Beatrix and diplomat Claus van Amsberg. He became Prince of Orange as heir apparent upon his mother's accession as Queen on 30 April 1980, and succeeded her following her abdication on 30 April 2013. He went to public primary and secondary schools in the Netherlands, an international sixth-form college in Wales, served in the Royal Netherlands Navy, and studied history at Leiden University. He married Máxima Zorreguieta Cerruti in 2002 and they have three daughters: Catharina-Amalia, Princess of Orange (born 2003), Princess Alexia (born 2005), and Princess Ariane (born 2007). Willem-Alexander is interested in sports and international water management issues. Until his accession to the throne, he was a member of the International Olympic Committee (1998–2013), chairman of the Advisory Committee on Water to the Dutch Minister of Infrastructure and the Environment (2004–2013), and chairman of the Secretary-General of the United Nations' Advisory Board on Water and Sanitation (2006–2013)