What is XXX's brothers name?
John Warhola
John Warhola (May 31, 1925 -- December 24, 2010) played a pivotal role in maintaining the legacy of his younger brother, pop artist Andy Warhol, assigned responsibility by their father on his deathbed to ensure that Andy attended college and serving as a trustee of the Andy Warhol Foundation for the Visual Arts after his brother's death in 1987.
Andy Warhol