kol Mikealsons daughter

what if kol had a daughter named Elizabeth and her mother was kluses best friend Lucy. she was a witch and kol was a vampire. lucy had died a month later after having Elizabeth but not before giving her powers to Elizabeth. kol was taking her death to hard and went after Elizabeth and attacked her and the 3 year old Elizabeth almost died but kluse and the others came and pulled kol off and and nik picked her up and ran but stopped and compelled her to forget about kol and the others and run and in till she got to a orphanage and he left. so what happens when the mikealsons comes and stays at her uncles house and meet her. how will kol and the others act when they meet her and find out that she's his daughter and there niece.