<sod >Prince is now by some stretch the most powerful person in the kingdom - and if his ailing 82-year-old father dies, he will be the youngest king the modern state has ever seen.< eod>< sod > The young prince is now by some stretch the second most powerful person in the kingdom âÂ and if his ailing 81-year-old father dies, he will be the youngest king the modern state has ever seen.< eod>