Who is the hooded woman in vampire knight?

the hooded woman is

Kaname's past companionName unknown, she plays a significant role in the history of vampires and hunters. The hooded woman appears only in Kaname's deep past, she is responsible for creating the hunters, by throwing her heart into a furnace, she created the first anti-vampire weapons and then giving her blood to humans in toxic amounts, she created the hunters, but lost her life in the process, to Kaname's grief.