| The barry field and ermine lion are from the heraldry of the Cecils, and Hatfield has been the seat of this branch of the family ever since. |
| The martlet in French heraldry is called the merlette, represented by a swallow, depicted without legs, and later usually. without a beak. |
| Look for a simple text on heraldry by someone like A C Fox-Davies or J P Brooke-Little if you want to go into blazonry further. |
| Most of our evidence concerning the heraldry of twelfth-century baronial families comes from surviving seals. |
| Greyhounds, red dragons and portcullises belonging to heraldry of various family branches finish off the decorations. |
| Some of the designs were very simple and graphic, looking like the two-headed eagles of heraldry, and some were much more elaborate. |
