Robert Arbuthnot, 1st Viscount of Arbuthnott, 1st Lord Inverbervie, was born circa 1617 to Robert Arbuthnot (-1633) and Margaret Fraser (c1601-) and died 10 October 1655 of unspecified causes. He married Marjory Carnegie (-1651) 1639 . He married Catherine Fraser (1619-1663) 30 June 1653 .
|Offspring of Robert Arbuthnot, 1st Viscount of Arbuthnott and Marjory Carnegie (-1651)|
|Margaret Arbuthnot (c1642-)||1642||John Forbes (-c1713)|
|Robert Arbuthnot, 2nd Viscount of Arbuthnott (bef1648-1682)||1648||16 June 1682||Elizabeth Keith (bef1648-1664) Elizabeth Keith (bef1648-1664) Catherine Gordon (1644-1692)|
|Offspring of Robert Arbuthnot, 1st Viscount of Arbuthnott and Catherine Fraser (1619-1663)|
|Alexander Arbuthnot (1654-1705)|
|Anna Arbuthnot (aft1652-)|