“Everyone Is Related And Also Possibly Dead: The TV Show”
Recall that the Headless Horseman is only one-fourth of the problem in this incarnation of the Sleepy Hollow legend.
Headless is not only the horseman from Washington Irving's classic story, he's also one of the Four Horseman of the Apocalypse from Biblical lore. Headless is the Horseman of Death.
Fox / Via sleepyhollow.wikia.com