Philippe (born 15 April 1960) is King of the Belgians. He is the eldest child of King Albert II and Queen Paola. He succeeded his father upon the latter'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.
Prince Alexandre of Belgium (French: Alexandre Emmanuel Henri Albert Marie Léopold, Dutch: Alexander Emanuel Hendrik Albert Maria Leopold; 18 July 1942 – 29 November 2009) was the fourth child of King Leopold III of Belgium, and the eldest for Lilian, Princess of Réthy. King Baudouin and King Albert II of Belgium were his older half-brothers. Grand Duchess Joséphine-Charlotte of Luxembourg was his older half-sister.
Princess Delphine of Belgium (Delphine Michèle Anne Marie Ghislaine de Saxe-Cobourg; born 22 February 1968), known previously as Jonkvrouw Delphine Boël, is a Belgian artist and member of the Belgian royal family. She is the daughter of King Albert II of Belgium with Baroness Sybille de Selys Longchamps, and the half-sister of King Philippe of Belgium. On 1 October 2020, she was lawfully recognised as Princess of Belgium with the style "Her Royal Highness". Earlier, she had belonged to the Belgian titled nobility and was legally Jonkvrouw.
Princess Marie-Esméralda of Belgium, Lady Moncada (born 30 September 1956), is a member of the Belgian royal family. She is the half-aunt of King Philippe of Belgium and Henri, Grand Duke of Luxembourg. Princess Marie-Esméralda is a journalist, author and documentary-maker. She is also an environmental activist and a campaigner for women's rights and indigenous people's rights.