Lord Blacktyde (father of Baelor)
From A Wiki of Ice and Fire
|Lord of Blacktyde
|In 289 AC
|A Feast for Crows (mentioned)
Lord Blacktyde died during the Greyjoy Rebellion, fighting for Balon Greyjoy. After the rebellion was over, his son was made a hostage to ensure the Blacktydes' loyalty to the Iron Throne, and taken to Oldtown.