Coat of Arms & Family Crest Details
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“D'arg. à cinq pierres de gu., entassées en chev. C.: deux pierres de gu., posées en chev. renv.”
A record of documented arms, meaning and origin, researched for the Knudson family of Denmark.
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“D'arg. à cinq pierres de gu., entassées en chev. C.: deux pierres de gu., posées en chev. renv.”

The Knudson arms were recorded in Denmark, c. 1461.
Arms such as these were typically recorded in Sjaælland.
Zealand held the Danish court, the crown's offices and Copenhagen itself. Families who served the king kept estates within reach of it, and royal service was the ordinary route to a coat of arms.
This is where the arms were entered in the register. Families often moved to other parts of the country, so the same name can turn up in more than one region.
Danish heraldry during this period was closely tied to noble status and royal favor rather than being open to all citizens. Arms were typically granted by the monarch to individuals, and these symbols were then shared by all members of the noble house. If a family line died out, the right to use those specific arms ended with them.
The surname Knudson is a patronymic name, which means it was originally created to identify a person as the son of a man named Knud. In the Danish language, the suffix "sen" means "son of," making the name a direct reference to a paternal ancestor. Historical records confirm that members of this family were established on the island of Sjælland as early as 1461. During this period in Denmark, surnames were not yet fixed or passed down through generations in the way they are today. Instead, a person’s name would often change based on their father's given name. The presence of the family in Sjælland suggests they were part of the local agrarian or merchant classes that helped shape the social fabric of the region during the late Middle Ages. Over time, as record-keeping became more formal, the name transitioned from a temporary description into a permanent family identifier that persisted across centuries.
Derived from the Old Norse name Knútr meaning knot.