Martin was mentioned in the 16 September 1780 will of his grandfather, John Nalle, proved 19 August 1782. “Item I give and bequeath to my Daughter Amie Morriss one Hundred Acres of Land Adjoining Unto John Dillard & Martin Nalle and Job Pophams Lands also I give and bequeath my Grandson Martin Morriss Son of William Morriss & Amie Morriss his Wife a Negroe Boy Named Harry to him and his Heirs for Ever” [Culpeper County, Virginia, Mixed Records Volume B, pages 519–522.]