Summary:

Harry Potter grows up in hiding until he is six years old when his family tries to take one small trip. It's a decision that will cost them their lives, save for Harry, who is left alone in France, his magic shielding him and his memory slipping away of the life he had before. Until one day he decides to go searching for his roots with an unlikely companion with the only clue he has: London.

Or: The Anastasia (1997) Harry Potter AU no one asked for.