A Game of Thrones
A Clash of Kings
While Ser Brynden Tully is raiding in the westerlands with the new king, Robb, Martyn commands the outriders in the riverlands. Martyn escorts Catelyn Stark when her party nears Riverrun, telling her of Robb's victory in the Battle of Oxcross.
A Storm of Swords
As part of the pact between Lord Tywin Lannister and Lord Walder Frey concerning the betrayal of Robb Stark in the Red Wedding, Joy is to wed a natural son of Walder from House Frey once she is older.
Quotes about Martyn
Martyn has been of great service scouting.