https://upload.wikimedia.org/wikipedia/commons/thumb/d/da/John_Alexander_%28chief_clerk_Bow_Street%29_with_wife_Mary_Elizabeth_%28nee_Thwaites%29_ca_1875.jpg/330px-John_Alexander_%28chief_clerk_Bow_Street%29_with_wife_Mary_Elizabeth_%28nee_Thwaites%29_ca_1875.jpg