John Gubbins Newton and His Sister, Mary Newton

It is now in the Yale Center for British Art, as part of the Paul Mellon collection, where it has the accession number B2001.2.66.

[7] In 1978, Judy Egerton attributed the painting to Scottish portrait and history painter John Zephaniah Bell.

[3] When the portrait was cleaned by Lance Mayer for the 2001 exhibition, The Paul Mellon Bequest: Treasures of a Lifetime, a signature ('R.

The painting stayed at the Newton’s Millaton House for over a hundred years until 1955, when it was bought by J. Andrews, of Tavistock, Devon.

The painting remained in Mellon's house in Upperville, Virginia until 1999, when it was moved to the Yale Center for British Art in New Haven, Connecticut.