But despite advancing years and a health scare the prince is said to have kept up with youngsters from Laburnum Boat Club and Hackney Quest as a patron of London Youth charity. The Duke of Edinburgh visited young people at Hackney Quest as a patron of London Youth on February 21 in 2012. - Credit: Archant The prince had been hospitalised with heart problems the previous Christmas and watched young people narrow boating, rock climbing, and pancake making at Laburnum Boat Club along the Regents Canal in Haggerston, even getting involved himself. “The prince was very good considering his age and his recent ill health,” said director Jim Armstrong at the time.