Tywysoges Haf ferch Llywelyn Uthyrpendragon

Her Imperial and Royal Highness Tywysoges Haf ferch Llywelyn Uthyrpendragon (Princess Summer daughter of Llywelyn Uthyrpendragon) Princess of the Empire of Avalon, Princess of the Atlantic Kingdoms, Princess of Britain, Princess of Rome, Princess of Greece, Princess of Troy, Et al. is the adopted daughter of Llywelyn Uthyrpendragon from Her Imperial Majesty's Amanda's first marriage, where  Amanda was left widowed. She is currently 12 years old.

Tywysoges Haf is the only member of the British imperial family to have been born in Britian. She is a first language English speaker, and a British (Cymraeg) and Spanish learner. She is currently one grade ahead in her studies.