In December 2021, Prince Philip had voiced support for the environmental protests in Serbia. Hereditary Prince (2022–present) On 27 April 2022, his elder brother prince Peter renounced his title of Hereditary Prince – for himself and his descendants. Philip became Hereditary Prince of Yugoslavia, heir apparent to his father Alexander.
Prince Felix of Denmark (Felix Henrik Valdemar Christian; born 22 July 2002) is a member of the Danish royal family. He is the younger son of Prince Joachim and his first wife, Alexandra, Countess of Frederiksborg. Prince Felix is currently eighth in the line of succession to the Danish throne