Adam Macmillan (1948-2016); third son of Maurice Macmillan, Viscount Macmillan of Ovenden, and Hon. Katharine Ormsby-Gore (1948–2016) Parents Katharine Macmillan, Viscountess Macmillan of Ovenden Maurice Macmillan Children Joshua Macmillan Frederick Macmillan Alice Macmillan Sophia Macmillan Siblings Joshua Macmillan Alexander Macmillan, 2nd Earl of Stockton David Macmillan Rachel Macmillan Partners Sarah MacGreevy