John Gretton, 3rd Baron Gretton

British baron (1941–1989)

Parents

• Anna Helena Margaret Loeffler
• John Gretton, 2nd Baron Gretton

Children

• Sarah Margaret Gretton
• John Gretton, 4th Baron Gretton

Siblings

• Elizabeth Margaret Gretton
• Anthony David Erik Gretton
• Mary Ann Maud Sigrid Gretton

Partners

• Jennifer Gretton, Baroness Gretton