Background
Gretton was born the son of The Honorary
Gretton was born the son of The Honorary
He was educated at Shrewsbury School.
John Gretton, who became the 2nd Baron in 1947. They lived at Holygate Farm, Stapleford, Leicestershire. They had two children.
Sarah Margaret Gretton (born 1971) and John Lysander Gretton, who would later succeed his father as 4th Baron.
He was Deputy Lieutenant of Leicestershire in 1986. He inherited the title deeds as the 3rd Baron on the death of his father in 1982.
Lord and Lady Gretton had issue:
John Lysander Gretton, 4th Baron (17 April since 1975)
Sarah Margaret (7 December since 1971).