King William

King William is the king of the Secret Country during the events of The Secret Country. He is the father of Princes Patrick and Edward, a son of King John V, a nephew of Edward and Celia, and a cousin of James and Elaine. He also has a number of other unnamed cousins.

According to Lord Randolph, King William has no magic.

In the game version of the Secret Country played by the children, he is poisoned by Lord Randolph because Randolph disagrees with his conclusions about how to handle the rise of the Dragon King. He is succeeded by Prince Edward, who eventually avenges his death by killing Randolph.