Vincent van Gogh's devoted younger brother, who shared a close relationship with Vincent through their extensive correspondence, supported his art perpetually, and worked as an art dealer.

Vincent van Gogh's father, a minister of the Dutch Reformed Church, who had a complex and often strained relationship with Vincent due to differing expectations and aspirations.

A Dutch realist painter and cousin-by-marriage to Vincent van Gogh, who provided early formal training and influenced Van Gogh's artistic development and aspirations despite a falling out.

A Dutch artist and art dealer who served as a mentor to both Van Gogh brothers, though his ongoing lack of praise for Vincent's work led to persistent tension and frustration.

A Dutch painter and close friend of Vincent van Gogh, whose relationship with him ended over differing artistic opinions regarding Van Gogh's work, The Potato Eaters.

A prominent French Post-Impressionist painter and acquaintance of Van Gogh's, known for his distinctive style and mutual yet complicated admiration and influence with Van Gogh.