She was born in Decatur, Nebraska to parents Daniel and Ellen Werkmeister and made Jacksonville FL her home.
Gretta was predeceased by her Husband Clifton G. Peterson, Son Alan R. Peterson, and Brother Daniel W. Werkmeister.
She is survived by her daughter, Diane M. Harris (Ron); Sister Joyce Slack, 6 grandchildren, and 7 great grandchildren.
A committal service for Gretta and Clifton will be held at 2:00 p.m. (Lane 1) on Friday, February 12, 2021 at the Jacksonville National Cemetery 4083 Lannie Rd., Jacksonville, FL 32218.
Arrangements under the care of Corey-Kerlin Funeral Home, 940 Cesery Blvd., Jax., 32211.