Twenty-eight-year-old Lamott E. Stevenson and 24-year-old Adriene Stevenson, both of New Castle, and 26-year-old Johnmika Daniels of Elkton, Md., have been charged with robbery and other offenses.
They are being held on secured bail.
Troopers say the crimes occurred in October and November. Police say the suspects would enter residences, confront the homeowners with guns and flee with cash and personal belongings.