Sephiroth's mother, Lucrecia Crescent was a scientist who worked for the Shinra. She was the assistant to Professor Hojo, Sephiroth's father. Lucrecia had agreed to enlist in the Shinra expirimant called the Jenova Project. The Jenova Project was meant to give birth to a child who's mother was injected with Jenova cells. Vincent Valentine at the time was their escort to Nibelheim, where they would begin the experiment. Vincent loved Lucrecia, but she didn't love him in the same way. He confronted them saying that the experiment was wrong, especially on Lucrecia. Lucrecia had premonitions that her son would lead to destruction, but still continued with the birth of Sephiroth.