Series in which celebrities trace their ancestry. Nigella Lawson's Jewish immigrant family have come a long way from poverty in Europe and the East End to the wealth of Belgravia. Her father Nigel was Margaret Thatcher's golden boy and mother Vanessa was heiress to the Lyons food dynasty. Nigella explores the origins of the Lyons business and discovers that it was a romance in 1863 and the coming together of the Salmons and the Glucksteins that helped cement its original success as a tobacco company.