King Balon Greyjoy is a recurring character in the second, third and sixth seasons. He is played by guest star Patrick Malahide and debuted in "The Night Lands." Balon Greyjoy is the Lord Reaper of Pyke and the head of House Greyjoy. He is the father of Yara and Theon Greyjoy, and the older brother of Euron, and Aeron "Damphair" Greyjoy.