Philippe or Filip (,, , ; born 15 April 1960) is the King of the Belgians, having ascended the throne on 21 July 2013. He is the eldest child of King Albert II, whom he succeeded upon Albert’s abdication for health reasons, and Queen Paola. He married Countess Mathilde d’Udekem d’Acoz (now Queen Mathilde), with whom he has four children. King Philippe’s elder daughter, Princess Elisabeth, is next in the line of succession. At age 56, Philippe is Europe’s third-youngest reigning monarch, following the 48-year-old Willem-Alexander of the Netherlands and the 48-year-old Felipe VI of Spain.