The Butcher Brothers renowned gunslingers and outlaws of the Old West. In 1896, both of them were shot and killed by Landon Ricketts. The circumstances of their deaths are unknown.
Events of Red Dead Redemption 2
The player can find a cigarette card depicting the Butcher Brothers, as part of the Famous Gunslingers Card Set. They are mentioned in the newspaper article "Cigarette Cards Give Fame To Murderers".