Complex sentence: It is said her death was hastened by that of her beloved chauffeur John G Kilmurray who was struck by a drunk driver on Christmas eve of 1928 while delivering Mrs. Nevins' Yuletide rememberences.
Split into simpler sentences: It is said her ending was hastened by the death of her beloved chauffeur John G Kilmurray. On Christmas eve of 1928, Mr Kilmurray was struck by a drunk driver while delivering Mrs. Nevins' Yuletide rememberences.