People United Kingdom John Gretton, 4th Baron Gretton peoplepill id: john-gretton-4th-baron-grettonJG4BG 3 views today 3 views this weekBritish BaronJohn Gretton, 4th Baron GrettonBiographyListsAlso ViewedListsJohn Gretton, 4th Baron Gretton is in following listsBy field of workNotable English politiciansGender:MaleNotable British politiciansGender:MaleBy work and/or countryNotable English PoliticiansGender:MaleNotable British PoliticiansGender:MaleFrom our partnersSponsoredJohn Gretton, 4th Baron Gretton