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)“De gu. à trois poissons nageants d'or, lorrés d'arg., l'un sur l'autre.”
A record of documented arms, meaning and origin, researched for the Dsa family of Spain.
J. B. Rietstap, Armorial Général, Gouda: G. B. van Goor Zonen, 1884–87
Blazon (the actual original written record)“De gu. à trois poissons nageants d'or, lorrés d'arg., l'un sur l'autre.”

The Dsa arms were recorded in Spain, c. 1722.
Arms such as these were typically recorded in Castile.
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 family name Dsa traces its roots to the historical region of Castile in Spain, where records confirm the presence of family members by the year 1722. During this period, Castile was a central hub of Spanish culture and administration, and families living there were often deeply integrated into the local agricultural or merchant economies. The name likely developed as a shortened or regional variation of longer surnames common to the Iberian Peninsula, reflecting the way names evolved through local dialects and spoken traditions. As these early ancestors moved through the changing social landscapes of eighteenth-century Spain, they contributed to the local community life of the region. This history highlights a legacy of resilience and stability, as the family established its presence in a time of significant transition for the Spanish kingdom.
A patronymic construction meaning of or from the son of Isa.
