James Croston, Historic Sites of Lancashire and Cheshire
“ Thus Thomas Stanley earned for himself and his descendants the Earldom of Derby. Through his eldest son, George Lord Strange, who succeeded to the title, Thomas, Earl of Derby, was progenitor of a race of illustrious men, conspicuous among whom were James, the "Martyr Earl," distinguished for his attachment to the Royal cause during the Civil Wars, and the eminent statesman of more recent times, Edward Geoffrey Smith-Stanley, 14th earl, who died in 1869—the father of the present holder of the title. ”
