The Vampire King and His Mate

Abel is the vampire king. He has spent years looking for his mate. But only when he has found her does he realize that she isn't human nor a vampire. She is part of the fae clan. Fae and vampires don't mate it's just common sense. But, Abel also realizes his mate has someone else who thinks that he is her mate. Who is the true mate? Will Abel get his mates favor?