Chapter 1: Dumbledore

Atlantia is the daughter of a siren and every Greek, Roman, Norse, and Egyptian god and goddess. What she doesn't know is that her mother, the siren, was the daughter of Voldemort. What happens when Dumbledore and the golden trip discover that Voldemort has a granddaughter? And will Voldemort find out that the daughter that he had murdered actually survived and had a daughter?

Will begin in Book 4: The Goblet of Fire and continue till the end of the series. I will change some things like people's deaths but story will stay mostly the same.

I do not own anything related to Harry Potter or Percy Jackson. They belong to J.K. Rowling and Rick Riordan.