She was initially believed to be the daughter of Edward and Diana Spellman, making her half-mortal and half-witch. However, it was later revealed that her actual father was the Dark Lord.
Sabrina was born to the fallen angel, Lucifer Morningstar, High Priest witch, Edward Spellman, and mortal, Diana Spellman. Edward and Diana had trouble conceiving a child and went to the Dark Lord for help. Diana soon became pregnant through the Dark Lord's intervention.