Complex sentence: When the soldiers get to the farm they discover that Madame de Frontenac and her crippled daughter Rose have disappeared, only Charles de Frontenac, farmer and descendant of a long line of aristocrats is at the house.
Split into simpler sentences: When the soldiers arrive at the farm they discover that Madame de Frontenac and her crippled daughter Rose have disappeared. Only Charles de Frontenac, farmer and descendant of a long line of aristocrats, is at the house.