If it helps any, this is a very common question in the states. Its rarely ever a malace thing, but a curiosity thing. Everyone has interest in people’s lineage (regardless of color). Even if it goes back 300 years. Maybe it has a different implication in France though.
This is why i have been moving away from google products for storing anything; emails, photos, etc. They are just not a customer focused company, bad to do business with them