The Sundar family name was one spoken with honor and reverence. None were ever spoke ill of, and should a question arise of their honor and integrity it was quickly set right by those who knew them. Now they are a fallen noble family of disgraced knights who are fearless, emotionless, and uncaring for anything other than own survival and vengence.
City, group, religion; every time a significant event happens to the city/person a new name will be given to signify the event. Could add the names to previous ones like a list of titles or could just be completely changed every time.