 Blunt @-@ Lytton documented her attempts in the early 20th century to re @-@ breed the 18th @-@ century type of King Charles Spaniel as seen in the portraits of King Charles II . She used the Toy Trawler Spaniel , a curly haired , mostly black , small to medium @-@ sized spaniel , and cross @-@ bred these dogs with a variety of other breeds , including Blenheim Spaniels and Cocker Spaniels , in unsuccessful attempts to reproduce the earlier style . 
