Lord Harewood and his son pass unnoticed in Hyde Park . London visit during pincess royal ' s illness . Lord Harewood and his oldest son , Viscount Lancelles , who are visiting London during the illness of Princess Royal , who is suffering from measles , passed unnoticed in the crowds as they walked in Hyde Park today . Viscount Lascelles will remain in London until the period of quarantine is ended , when he will enter Eton at the commencemnet of the new term . Photo shows , Lord Harewood and his son Viscount Lascelles , walking unnoticed in Hyde Park today ( Sunday ) 3 May 1936 . *** Local Caption ***