Prince George
He is the eldest son of the Duke and Duchess of Cambridge. The seven-year-old British royal is the third-in-line to the British throne behind his grandfather Prince Charles and his father.
Princess Estelle of Sweden
She is the eldest child and only daughter of Crown Princess Victoria and Prince Daniel, Duke of Västergötland.
Princess Catharina-Amalia of Netherlands
This royal is the apparent heir to the throne of the Kingdom of the Netherlands. Princess Catharina-Amalia is the eldest child of King Willem-Alexander and Queen Máxima.
Prince Jacques of Monaco
Prince Jacques is the future heir to the Monegasque throne. He is the son of Prince Albert II and Princess Charlene.
Princess Leonor of Spain
She is the heir to the throne of Spain as the elder daughter of King Felipe VI and Queen Letizia.
Crown Prince Moulay Hassan of Morocco
Prince Moulay Hassan will eventually become King of Morocco. He is the eldest child of King Mohammed VI of Morocco and his wife Princess Lalla Salma.
Crown Princess Elisabeth
Princess Elisabeth, Duchess of Brabant is the heir to the Belgian throne.
Prince Christian of Denmark
This teenager is the eldest child of Crown Prince Frederik and Crown Princess Mary. As a grandson of Queen Margrethe II, he is second-in-line to the Danish throne after his father.