How to write a really good epitaph for Macbeth, Lady Macbeth or Banquo?

Think about the essence of each character. Take Banquo for example.He was, loyal, brave and a "good" man. You might consider: -  

Banquo was also loyal servant and warrior for the true King of Scotland, Duncan. Banquo served loyally to Macbeth before Macbeth became the fiend of Scotland. Banquo leaves behind a valiant son Fleance. Banquo never succumbed to the instruments of darkness.