Schreck is the only daughter of the founders of the Church of Satan Anton LaVey and Diane Hegarty. Schreck has two half siblings, Karla LaVey and Satan Xerxes Carnacki LaVey. She has no contact with any of her family, and publicly renounced the Church of Satan and her father Anton LaVey in 1990. She had the most highly publicized and well known Satanic baptism ever performed, which was recorded and released by her father along with other Satanic Rituals done during the 1960s.