Prince Gabriel of Belgium is the elder son and second child of King Philippe and Queen Mathilde of Belgium. He is currently second in line to the throne of Belgium after his elder sister, Elisabeth.

Philippe is King of the Belgians. He is the eldest child of King Albert II and Queen Paola. He succeeded his father upon the former’s abdication for health reasons on 21 July 2013. He married Mathilde d'Udekem d'Acoz in 1999, with whom he has four children. Their eldest child, Princess Elisabeth, is first in the line of succession.