What are the odds that a celebrity is related to people involved on opposite sides of the Gunpowder Plot? You may think Kit Harington is a descendant of King James I, Lord Harington and Robert Catesby but what’s more likely is in 1986 one geneticist said to another: “On the count of three… take a DNA sample of Christopher Abbott”. So remember, remember the 26th of December, somatic cell, clone lab and plot; for there is a reason why Kit Harington’s birthday should never be forgot.