Micro-aggression Personal Experience

People often ask me where I'm from and I always say Denmark because thats where I was born and raised and thats also where my family is from. Stereotypically, Danish people tend to have blonde hair and blue eyes but I have Spanish and Brazilian blood so I have darker features. When I tell people I'm from Denmark, I've received a few responses like, "so why don't you have blonde hair and blue eyes?". It doesn't necessarily offend me because I'm proud of who I am and my background but I just don't believe that people should assume something about someone because they thought something else.