House Blacktyde

House Blacktyde is a vassal house from the Iron Islands that holds fealty to House Greyjoy. Their seat is located on the eponymous island of Blacktyde, which they rule.

History
Along with their Kings of House Hoare, House Blacktyde participated in the conquest of the Riverlands.

In the books
In the A Song of Ice and Fire novels, Baelor Blacktyde's father was killed in a battle of the Greyjoy Rebellion. Baelor was taken as a hostage for eight years in the city of Oldtown. Upon his return to Blacktyde, Baelor had converted to the mainland's Faith of the Seven. Nevertheless, several Blacktydes gather around Balon Greyjoy when he crowns himself King of the Iron Islands again.