Dirk Coat of Arms and Surname Origin
Dirk is best understood alongside Dietrich: both are German spellings of one family name.
Before spelling was fixed, Dietrich was also written Dirk. Regional accents shaped spellings long before dictionaries fixed them.
A coat of arms belongs to a particular family line rather than to everyone named Dirk, so the heraldry linked to Dietrich is a starting point, not an automatic right. For the full story, order the Dirk surname pack.