Dewdney is the son of Canadian artist and author Selwyn Dewdney, brother of Alexander Keewatin Dewdney, and the great-grand-nephew of Edgar Dewdney (Lieutenant-governor: British Columbia 1892—1897, Northwest Territories, 1881—1888).
Edgar Allan Poe | Edgar Rice Burroughs | Edgar Degas | Edgar Award | J. Edgar Hoover | Edgar Winter | Edgar | Edgar Wallace | Edgar Lee Masters | Edgar Sulite | Edgar Buchanan | Frankie Edgar | Edgar Bergen | Theodore Edgar McCarrick | Jim Edgar | Edgar Rentería | Édgar Ramírez | Edgar Dewdney | Edgar Cardoso | Edgar Bronfman, Sr. | Edgar Barrier | Alexander Dewdney | Edgar Wright | Edgar Schein | Edgar Quinet | Edgar Kennedy | Edgar G. Ulmer | Edgar Ansel Mowrer | Edgar Allan Poe's | Selwyn Dewdney |