She married writer Daniel Voll on September 8, 2001. They have two children. Her son Harper Daniel Peck, born in 1999, is named after Harper Lee. Her daughter Ondine Alexandra Peck-Voll was born in 2002. Harper Lee is the author of To Kill a Mockingbird, which was adapted into the film for which Gregory Peck won the Best Actor Academy Award as Atticus Finch.She is the ex-sister-in-law of supermodelCheryl Tiegs.