Argent Silver or White field i.e., a shield (shape not specified) with a background colour of silver or white, on which are placed the charges (everything else) on a fess (per fess) a bar across the centre of the shield (colour not specified) between 3 martlets sable The fess was between 3 martlets which were coloured sable. Two martlets above fess and one below is how three are usually displayed. In this description it's not specified how they were placed. Note that there are feathers where the legs should be. martlets Mark of the fourth son. Swallows without legs. In ancient times, it was believed that swallows had no legs, because nobody saw them walking on the ground. In heraldry, a martlet is a swallow with no legs, but a swallow is a swallow with legs!! martlets sable Swallows (with no legs) coloured black on the coat of arms. Not necessarily their colour in real life. as many annulets As many annulets as there were martlets, in this case, three annulets Mark of the fifth son. A ring, and in this case, three rings, in fess or Gold. The annulets were coloured gold.