There are multiple characters with this name. You may be looking for Sarantha Dubrinsky.

Sara is the child of two archaeologists who were killed when she was only fifteen years old. She watch bother her parents and brother, Robert, be murdered by a vampire. For the next decade, she managed to stay ahead of the vampire until she met Falcon. After her conversion, she adopted Travis, Jase, Emma, Chrissy, Blythe, Peter, and Lucas. At the time of Dark Demon, she was pregnant.