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'or à une tour sommée de trois tourelles de gu.”
A record of documented arms, meaning and origin, researched for the Castillo family lines. Documented in 2 countries.
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“D'or à une tour sommée de trois tourelles de gu.”

The Castillo arms were recorded in Brabant, c. 1737.
Brabant lay at the heart of the Low Countries, where the trade routes met. Its towns were wealthy and its landowners many, and both kinds of family kept arms, which is why the region is so heavily represented.
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.
In Belgium, a coat of arms is considered personal property that is passed down through the male line to legitimate descendants. Families often use the same shield design across generations to show their shared heritage. If a branch of the family wants to change the design, they must apply for an official update to their specific version of the arms.
The history of the Castillo family in Belgium is rooted in the movement of people across European borders during the eighteenth century. While the name itself originates from Spanish and Latin terms for a castle, its presence in the Duchy of Brabant by 1737 suggests that the family had integrated into the local social and economic life of the region. During this period, the Southern Netherlands were under the administration of the Austrian Habsburgs, a time when many families moved throughout the continent for trade, military service, or administrative roles. The appearance of the Castillo name in Brabant records indicates that these early ancestors were likely part of a mobile class of citizens who settled into the local community. By establishing themselves in this specific area, the family became part of the long-standing tradition of diverse populations contributing to the cultural fabric of what is now modern-day Belgium.
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“D'azur à une tour de deux étages d'arg., posée sur un tertre rocheux au nat.”

The Castillo arms were recorded in Castile, c. 1722.
Castile was the heart of Spain and the source of most of its noble families. Land won in the long wars against the Moors was granted out to fighting men, and a man granted land was granted arms along with it.
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.
In Spain, a coat of arms was considered a form of property that belonged to the entire family line. These arms were passed down from a father to all his children equally. Younger branches of the family usually kept the original design without needing to add any special marks to distinguish their specific line.
The surname Castillo is a topographic name that originated in the medieval Kingdom of Castile, a region that played a central role in the formation of modern Spain. The name was traditionally given to individuals who lived near or worked within a castle, which served as a vital defensive structure during the centuries of territorial expansion known as the Reconquista. By the time ancestors of the family were documented in the region in 1722, the name had long been established as a marker of those who held positions of responsibility or lived in the fortified settlements that defined the Castilian landscape. Because the name is tied to the geography of the central Spanish plateau, it reflects a history of people who were deeply rooted in the political and social development of the Spanish heartland. Over generations, the family name became a way to identify individuals by their connection to the prominent stone fortifications that guarded the borders and towns of the kingdom.
A Latin term referring to a fort, castle, or fortified place.