Arella.

About Arella

Angela Roth, commonly called Arella, is a fictional character from DC Comics. She is the pacifist mother of the superheroine Raven in the Teen Titans comics and animated series. She is the former bride of the all-powerful interdimensional demon Trigon, who had cunningly seduced her, in human form, to have someone to bear a half-human, half-demon daughter who becomes Raven.