Biographical Summary

"David Smythe, esq of Methven. This gentleman m. first, Mary, eldest daughter of James Graham, of Braco, and sister of General David Graham, of Gorthie...

...He espoused secondly, Katherine Campbell, daughter of the titulary Lord Monzie, but had no issue by that lady. Mr Smythe d. in 1764, and was s. by his son."

SOURCE: A genealogical and heraldic history of the commoners of Great Britain and Ireland, enjoying territorial possessions or high official rank, Vol. I, page 229