He represented Kincardineshire as Commissioner to the Parliament of Scotland, from 1689 to 1702, and subsequently represented Bervie from 1703 to 1707.
He represented Kincardineshire as Commissioner to the Parliament of Scotland, from 1689 to 1702. It was a different Alexander Arbuthnot who was an advocate ans Provost who represented Bervie from 1703 to 1707.