The heart is represented by the conventional symbol that we see today on playing cards. In later arms it can also appear emflamed and crowned. A Glossary of Terms used in British Heraldry, J.H. Parker, Oxford, 1894, Entry:Heart Guillim, the 17th century heraldic author, believes that it shows the holder to be a “man of sincerity…who speaks truth from his heart”. A Display of Heraldry, J. Guillim, Blome, London, 1679, P184