|Book(s)|| A Game of Thrones (appears)|
A Clash of Kings (appears)
A Storm of Swords (appears)
A Feast for Crows (mentioned)
A Dance with Dragons (mentioned)
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
Quotes about Martyn
Martyn has been of great service scouting.