He married firstly Margaret Barclay and secondly Jean Scott.[3]
He should not be confused with Alexander Arbuthnot, an advocate and Provost who represented Bervie from 1703 to 1707.[4](p. 174)
^Historical Notices of Scottish Affairs: Selected from the Manuscripts of Sir John Lauder of Fountainhall, Bart., one of the Senators of the College of Justice, Volume 2nd 1683–1688 1848, Edinburgh