To dream of predecessors, as grandfathers, and other ancestors, implies care. See Relations Deceased.
Dream dictionary: Predecessors dream meanings
Please see Predecessors.
To dream one sees and discourses with father, mother, wife, brother, sister, or some other of his relations and friends, though they are dead, is an advertisement for the party to mind his affairs, and to behave himself properly in the world. See Predecessors.