About Lord Frederick Windsor
Lord Frederick Michael George David Louis Windsor is a member of the British royal family. He is the only son of Prince and Princess Michael of Kent, and is 54th in the line of succession to the British throne. He is married to British actress Sophie Winkleman and is a financial analyst by profession. As a great-grandchild of King George V and Queen Mary, he is a second cousin of King Charles III. Frederick Michael George David Louis Windsor was born on 6 April 1979 at St Mary's Hospital, London, and was christened on 11 July at the Chapel Royal, St James's Palace, Westminster.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.