Cocker history spanielCocker spaniels are descended from spaniels, one of the oldest breed of dogs. Spaniels have become a part of history in stories by Chaucer (1342-1400), . History. A drawing of two dogs in greyscale, one dark colored and the other is light. A drawing of English and Welsh Cockers, from . After that, the terms Springer, Springing Spaniel, Cocker, Cocking Spaniel, Field, English Type, etc. seem to have applied to Spaniels of all sizes and the division .