Delevingne was born in London, England, the daughter of Pandora (née Stevens) and Charles Hamar Delevingne, a property developer.[3][4] She is the younger sister of model Poppy Delevingne and the granddaughter of former English Heritage chairman Sir Jocelyn Stevens. Her paternal great-grandfather was Canadian-born politician Hamar Greenwood, 1st Viscount Greenwood.[5] Her maternal great-great-grandfather was newspaper proprietor Sir Edward Hulton, 1st Baronet, and her maternal great-great-uncle was magazine publisher Edward George Warris Hulton.