Thomas Nunn and Elizabeth Clark hold the key to both the Chevington and Hargrave Nunns. More research needs to be done to establish their children. John Nunn (as below) represents the Hargrave Nunn line from the early 18th century.
That Thomas Nunn (as below) is their son is yet to be confirmed but the evidence for it being so is strong. For anyone tapping into this research, please be aware of this.