Portraits of him by Sir Joshua Reynolds (educated at Plympton Grammar School and a friend of the Parker family) and John Downman survive at Saltram House.
The Parker family had risen to prominence in the mid-16th century as the bailiff of the manor of North Molton, Devon, under Baron Zouche of Haryngworth.
[9] The public house in Collaton St Mary is called the "Parkers Arms" (sic) after his tenure.
It displays the arms of Parker (with a crescent for the difference of a second son) impaling Azure, a fox statant on grass proper in chief a sun in spendour or (Ourry, the last two words being canting).
Above is the crest of Parker: A cubit arm erect vested azure cuffed argent the hand holding a stag's antler proper.