did sally fields become a grandmother in 1988 ?

Answer 1

Nope, she became one in 1998:

"Mother of Eli Craig.

Good friends with Goldie Hawn.

Auditioned for the role of Elaine Robinson in The Graduate (1967).

Has two sons from her first marriage: Peter and Eli Craig.

Has one son from her second marriage: Samuel.

Daughter of actress Margaret Field. Step-daughter of actor Jock Mahoney.

Is a second child. Biological father's name is Richard who was a captain in the army. Mother, Margaret Field, was a contract player with Paramount Pictures starring in many B movies.

Parents divorced when she was 5.

In 1998, became a Grandmother to Isabel."