Page "Eagle (heraldry)" Paragraph 10

According to Carl-Alexander von Volborth the first instance of the use of an eagle as an heraldic charge is the Great Seal of the Margrave Leopold IV of Austria in 1136, which depicts him carrying a shield charged with an eagle.

Also from about this time is a coin showing a single-headed eagle, minted in Maastricht ( the Netherlands ), dating from between 1172 and 1190 after contacts with the East via the Crusades.

One Gilbert d ' Aquila was granted Baronetcy of Pevensey by William after the Battle of Hastings.

The family who held Pevensey castle and the newly formed Borough of Pevensey used the Eagle Symbol in the 11th Century.