Tim McGraw's grandfather, Herb Doctors, died Wednesday (May 30) in Marion, La., after a long illness. He was 75. Doctors was the stepfather of McGraw's mother. McGraw and Doctors were very close, the country star's spokesperson says. In lieu of flowers McGraw asks that donations be made to The Fisher of Men Youth Ministry, which takes in troubled, abused and homeless children and adolescents. The address is 430 Concord Rd., Marion, La. 74271. 06/04/01