Margaret Jean Holland, Viscountess Knutsford British biographer (1835–1906) Parents Hannah More Macaulay Charles Edward Trevelyan, 1st Baronet Children Lionel Holland Margaret Alice Holland Cecil Trevelyan Holland Henry Macaulay Holland Siblings Alice Frances Trevelyan Sir George Trevelyan, 2nd Baronet Partners Henry Holland, 1st Viscount Knutsford