|Died||In 130 AC, Tumbleton|
Fire and Blood (mentioned)|
The Princess and the Queen (mentioned)
During the civil war known as the Dance of the Dragons, Marq was loyal to the greens. When the Caltrops assembled to conspire against the Two Betrayers, Marq was of the opinion to take King's Landing before killing them. Marq was slain two days later during the Second Battle of Tumbleton.
- Fire & Blood, The Dying of the Dragons - Rhaenyra Overthrown.