Charles Pickett married Margaret Adams, daughter of John Adams and Margaret Winston. [1]
A portrait of Charles Gallegos Pickett with a handwritten notation on the back:"Charles G. Pickett born 1797 - April 12, 1825" [2]
[1] C. W. Coleman, "Genealogy of the Adams Family of New Kent and Henrico Counties, Va.," William and Mary College Quarterly 5 (1897), 159-164, at 163, [HathiTrust].
[2] on the estateauctionsinc (ebay item # 291753307922)