Background
Gretton was the son of John Gretton, 1st Baron Gretton, and Honorary Maud Helen de Moleyns, daughter of Dayrolles Blakeney Eveleigh-de-Moleyns, 4th Baron Ventry.
Gretton was the son of John Gretton, 1st Baron Gretton, and Honorary Maud Helen de Moleyns, daughter of Dayrolles Blakeney Eveleigh-de-Moleyns, 4th Baron Ventry.
Lord Gretton was educated at Eton.
He was elected to the House of Commons for Burton in 1943 (succeeding his father), a seat he held until 1945. Two years later he succeeded his father as second Baron Gretton and entered the House of Lords. Lord Gretton married on 6 May 1930 Anna Helena, known as Margaret, elder daughter of Captain Henrik Loeffler, of 51 Grosvenor Square, London.
She was a Justice of the Peace in 1943 for Staffordshire and lived at the Rectory, Ufford, Lincolnshire.
John Henrik Gretton, 3rd Baron
Anthony David Erik (25 July 1945-1913 November 1982)
Mary Ann Maud Sigrid (5 January since 1939)
Elizabeth Margaret (25 July since 1945).