Daniel Macmillan[*][[Daniel Macmillan (British publisher (1886–1965))|]]
Căsătorit cu
Lady Dorothy Macmillan
Copii
Maurice Macmillan[*][[Maurice Macmillan (politician britanic)|]][5] Caroline Faber[*][[Caroline Faber (noblewoman; daughter of Harold Macmillan and Lady Dorothy Cavendish)|]][5] Catherine Macmillan[*][[Catherine Macmillan (noblewoman; (1926-1991))|]][6][5] Sarah Heath[*][[Sarah Heath (youngest daughter of Harold Macmillan and Lady Dorothy Cavendish)|]][5]