Betty M. (Fritz) Hallock, 86, of Sandusky, died Monday, Feb. 25, 2013, surrounded by her family at Firelands Regional Medical Center. Visitation will be 5-9 p.m. Wednesday, Feb. 27, at David F. Koch Funeral Home and Cremation Services, Sandusky. A mass of Christian burial will be 11 a.m. Thursday, Feb. 28, at Sts. Peter and Paul Catholic Church, Sandusky. Further arrangements are pending at the funeral home.