Sir Geoffrey Washington Trevelyan, 5th Bt. (1920-2011) (1920–2011) Parents Sir Charles Trevelyan, 3rd Baronet Mary Katharine Bell Children Sir Peter John Trevelyan, 6th Bt. Sandra Mary Trevelyan Siblings Sir George Trevelyan, 4th Baronet Pauline Trevelyan Marjorie Trevelyan Hugh Patrick Trevelyan Florence Patricia Trevelyan Katharine Trevelyan Partners Gillian Isabel Wood