Definitely not. 'Orphan' is not rooted in reality. It's a work of fiction that uses elements of suspense and mystery to captivate viewers. The story and characters were invented for the purpose of entertainment rather than being based on actual events.
It's completely fictional. The plot and characters of 'Orphan' were made up by the writers and not inspired by real events. The creators used their imagination to craft the story to thrill and engage the audience.