|Title||King in the North|
|Book(s)|| A Game of Thrones (mentioned)|
The World of Ice and Fire (mentioned)
When sea raiders landed in the east, Jon drove them out and built a castle, the Wolf's Den, at the mouth of the White Knife, so as to be able to defend the mouth of the river. His son, Rickard, followed him on the throne and annexed the Neck to the north.