[See portion of transcription of Robert Duncan's will on his family page.] [Will of Robert Duncan, Culpeper County, Virginia, Will Book D-91/3, dated June 1788, proved 21 Oct 1793. So death was sometime after she was mentioned in his Jun 1788 will.]
... Robert Duncan before 1735 had married Anne Gallop, daughter of Robert Gallop (died May 20, 1720), and his wife Eleanor of King George County. (Richmond W.B. 4, p. 161, King George D.B. 2, p. 3) ...