Sir Walter Riddell, 12th Baronet British academic (1879-1934) (1879–1934) Parents Sarah Isabella Wharton Sir John Buchanan-Riddell, 11th Baronet Children Sir John Riddell, 13th Baronet Mary Riddell Anne Riddell Jean Riddell Hester Riddell Siblings Dorothy Isabel Riddell Olive Frances Riddell Katherine Margaret Riddell Partners Rachel Beatrice Lyttelton