In 1904 Robert Eugene (Gene) Otto was given a cloth doll naming him "Robert". At first their relationship was enduring and sweet, the two were instantly attached. Until the doll started showing his dark side and the haunting lasted throughout the ages...
Sources:
-Deadly Possesions-show: Season 1 Episode 1
-Atlas Obscura- Artical: The Story Behind the Worlds Most Terrifying Haunted Doll by Andy Wright
-kwahs.org-Key West Art & Historical Society website- where Robert is displayed
-Lights Out Podcast- Episode: Robert the Doll: The Most Cursed Object in the World
-Don't Look In the Trees Podcast- Episode 12: Robert the Doll