WP Kinsella family history with Sophie Kinsella?

Sophie Kinsella is not related to WP Kinsella. WP Kinsella is a Canadian writer, known for his 1989 novel Shoeless Joe, which was adapted into the 1996 film Field of Dreams. Sophie Kinsella is a British writer, known for her light-hearted chick-lit novels, including the Shopaholic series. She is the younger sister of fiction author Madeleine Wickham, and both use the nom de plume Madeleine Wickham.