Driven To Desperation (Twilight/Vampire Diaries)

One day, a powerful witch called Renee fell in love with a human. A Swan called Charlie. They soon were married and Renee was blessed with pregnancy. However, one horrible night, they were attacked and turned into vampires. Renee was only five months pregnant but the baby still grew but at a rapid speed. When she was supposed to be six months pregnant she looked nine. And soon she gave birth to a baby girl. She wasn't premature which surprised Renee. So she had an old witch friend check her out. It turns out that her child has the ability to let male vampires reproduce. Word had gotten out and everyone was searching for the mysterious child for their own.