WILLIAM AND ROBERT SIEF-•FERT FATALLY HURT IN % AUTO CRASHChicago, Nov. 26—f/P)—Three persons were dead today and eight'injured as the result of an automobile collision in suburban Lyons yesterday.The dead were William Sieffert, 6, and hts brother, 'Robert, 4, of La Salle, 111., and Mrs. Emilie Koncel, 80, of Chicago.The accident occurred while Joseph Sieffert, 31-year-old La Salle cheese broker, was driving his family of seven to Chicago to do Christmas window-shopping.His automobile collided with a car driven by Mrs. Koncel's son, Frank, 19,Koncel's sisters, Emilie. 19, and Mildred, 17, were seriously injured. They were taken to the suburban Berwyn hospital.In the Sieffert family, another son, Thqmas, 8, suffered a skull fracture.Parents Lived HereFreeport—Joseph Sieffert, father of the two dead children, is a son of Mr. apd Mrs. Charles H. Sieffert, Freeport, while his wife, Mrs. Elizabeth Sieffert is the daughter of Mr. and Mrs. J, T. Boche, Freeport. Both the Siefferts and Roches went to Berwyn on learning of the accident.According to reports of the accident received here Joseph Sieffert was also seriously hurt while another child of the Siefferts was considered in a critical condition. Mrs. Sieffert and three other children were not badly hurt it was indicated by local relatives.Both Mr. and Mrs. Joseph Sieffert were residents of Freeport before moving to La Salle where Mr Sieffert operates a cheese distributing agency.