Mary Murray is a descendant of Pocahontas - see the descendant list "Pocahontas, alias Matoaka, and her descendants through her marriage at Jamestown, Virginia, in April, 1614, with John Rolfe, gentleman" by Robertson, Wyndham, 1803-1888 [1]
Skipwiths & Murray Children Some Prominent Virginia Families, Volume 4. By Louise Pecquet du Bellet, Edward Jaquelin, Martha Cary Jaquelin J.P. Bell Company (Incorporated), 1907
Robertson, Wyndham, and R. A. Brock. Pocahontas, Alias Matoaka, and Her Descendants: at Jamestown, Virginia, in April, 1614, with John Rolfe, Gentleman: Including the Names of Alfriend, Archer, Bentley, Bernard, Bland, Bolling, Branch, Cabell, Catlett, Cary, Dandridge, Dixon, Douglas, Duval, Eldridge, Ellett, Ferguson, Field, Fleming, Gay, Gordon, Griffin, Grayson, Harrison, Hubard, Lewis, Logan, Markham, Meade, McRae, Murray, Page, Poythress, Randolph, Robertson, Skipwith, Stanard, Tazewell, Walke, West, Whittle, and Others: with Biographical Sketches. J.W. Randolph & English, 1887 (see Space: Pocahontas and her Descendants), p.