Katharine Macmillan, Viscountess Macmillan of Ovenden

British noble (1921-2017) (1921–2017)

Parents

• Beatrice Ormsby-Gore, Lady Harlech
• William Ormsby-Gore, 4th Baron Harlech

Children

• Rachel Macmillan
• Alexander Macmillan, 2nd Earl of Stockton
• David Macmillan
• Joshua Macmillan
• Adam Macmillan

Siblings

• Elizabeth Ormsby-Gore
• Owen Ormsby-Gore
• John Julian Stafford Ormsby-Gore
• Mary Ormsby-Gore
• David Ormsby-Gore, 5th Baron Harlech

Partners

• Maurice Macmillan