A Cottage Grove woman was ordered to serve 18 months in prison for the 26-year theft of her missing father’s retirement benefits. Martha B. McRae, 63, appeared before U.S. District Court Judge Michael R. Hogan today and was also ordered to pay approximately $850,000 in restitution to the Social Security Administration (SSA), the Office of Personnel Management (OPM), and the Defense Finance and Accounting Services (DFAS).