Robert Arbuthnot, Sr, of Haddo-Rattray was born on an unknown date to John Arbuthnot, Sr, of Whitehill and Toddlehills (c1670-) and Barbara MacRanald (c1670-) and died 15 September 1756 of unspecified causes. He married Mary Petrie (-1756) 17 February 1719 in Peterhead, United Kingdom.
|Offspring of Robert Arbuthnot, Sr, of Haddo-Rattray and Mary Petrie (-1756)|
|George Arbuthnot (c1721-)|
|John Arbuthnot (c1724-)|
|Robert Arbuthnot, Jr, 2nd of Haddo-Rattray (c1728-1803)||5 November 1803||Mary Urquhart (1745-1818)|
|Jane Arbuthnot (c1732-)|
|Barbara Arbuthnot (c1736-)|
|Mary Arbuthnot (c1737-)|