system
Given the following post, respond as if you're commenting on Reddit:
human
[Harry Potter]How can Ollivander trace his lineage back to the 4th century B.C.?

The shopfront in Philosopher's Stone states "Makers of Fine Wands since 382 B.C." How can anyone, magical or not, keep track for that long?
gpt
Some families keep records. This goes double for families of wealth and prominence. Most European royal families can trace their ancestry back at least 1,000 years, and that’s without magical record-keeping techniques.