Prince of Wales
From Tardis Wiki, the free Doctor Who reference
The Eleventh Doctor once had a phone call with a Prince of Wales, assuring him that his mother, the Queen, was fine despite being turned into a goldfish. (HOMEVID: Bad Night)
The Prince of Wales James Stuart was born in 1988 to King James II and Mary of Modena. (AUDIO: The Glorious Revolution)
The future George IV was Prince of Wales in the late 18th century. (PROSE: The Adventuress of Henrietta Street)
Queen Victoria's son, Bertie, was the Prince of Wales. (AUDIO: The Death of Captain Jack)
Edward VIII was Prince of Wales before becoming king. (PROSE: Players)