Who is James and Mary Henry from The Monstrumologist and what is their importance?

James and Mary Henry are the parents of Will Henry, who are deceased. James Henry contracted the Arawakus worm while working for Dr. Warthrop, and the worms eventually drove him nearly insane. He tried to burn them out of his body, and caught himself on fire. His wife held him close and tried to put out the flames she she instructed Will to run, and both parents died in the resulting fire. Will was sent to live with Warthrop as a result of their death.