[2] In 1928 Rob Roy became ill and was unsuccessfully treated at Walter Reed Army Medical Center, where he died.

So although I know he would bark for joy as the grim boatman ferried him across the dark waters of the Styx, yet his going left me lonely on the hither shore.Rob Roy was known as Coolidge's favorite among a menagerie of pets he kept that included dogs, birds, cats, and raccoons.

[3] Rob Roy was known to lead Coolidge to the Oval Office each morning in a stoic manner with gaze fixed forward.

[5] Rob Roy's stately characteristics aside, Coolidge frequently tried to trick the dog into chasing animals that appeared on screen during the showing of films at the White House.

[7] A portrait of Grace Coolidge by the American artist and illustrator Howard Chandler Christy, originally hung in the Red Room of the White House, shows the First Lady with Rob Roy.