This document provides information about Danish genealogy research. It discusses official coats of arms which are protected by Danish law and can only be used by government offices. It also mentions that private coats of arms are not regulated and can be used as trademarks. The document notes that nobility and the rich are more likely to already be documented, and suggests looking at censuses, parish registers, and asking online to find genealogical information. It provides some example websites useful for Danish genealogy research.