Handiboe, Nellie C. Of 5009 40th pl., Hyattsville, Md., on August 26, 1968, beloved mother of Miss Katherine A. Handiboe; grandmother of Mrs. J. Raymon Martinez and Edward Handiboe Haverty. Two grandchildren also survive. Services at Chambers' Funeral Home, 5801 Cleveland ave., Riverdale, Md., on Thursday, August 29 at 1 p.m. Interment Congressional Cemetery. Friends may call from 7 to 10 p.m. Wednesday.