From A Wiki of Ice and Fire
A Feast for Crows
Pinchface Jon brings a dozen longships in support of Euron Greyjoy after he declares himself King of the Isles and the North. He supports Euron at the kingsmoot on Old Wyk, where he trades insults with Asha Greyjoy.
The Winds of Winter
This information has thus far been released in a sample chapter for The Winds of Winter, and might therefore not be in finalized form. Keep in mind that the content as described below is still subject to change.
—Jon and Asha Greyjoy