I've researched heraldry off and on for quite a few years as background for my Faerie Queen series. Of course, depending on when you are setting your King Arthur stories, the modern heraldry system might not yet have existed... but Edmund Spenser certainly did envision his knights and recreants as having distinctive arms. Of course, Spenser's descriptions of his knights' arms are tightly connected with what they symbolize in his allegory. For example, Sir Artegall, the hero of Spenser's story about justice, has a shield bearing a pair of scales. In order to give background characters heraldic arms, I like to figure out options that would be appropriate for them, even if the actual description of the arms doesn't make it into the book. (I can't imagine that many people would want to read about a shield "chevronny embowed of four and per pale Azure and Argent.") Some fun resources to look at for this include Scotland's Lyon King of Arms website, whic...
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