About John Marston
John Marston is a character in the Red Dead video game series by Rockstar Games. He is the main playable protagonist of the 2010 video game Red Dead Redemption, wherein he must deal with the decline of the Wild West while being forced to hunt down the last surviving members of his old gang in exchange for the safe return of his family by the federal government. John is also the protagonist of Undead Nightmare, a non-canonical, zombie apocalypse-themed expansion pack, and the secondary playable character of the 2018 prequel, Red Dead Redemption 2. The latter game depicts John's life in the gang prior to its demise, and later his attempts to start an honest life with his family.
Biography source:
Wikipedia
