Zara Tindall and Peter Phillips had 'secretive' sister living nearby - Devon Live
Stephanie Phillips Zara Phillips half sister Stock Photo - Alamy
Queen's Great-Grandchildren Participate in Wedding for Stephanie Phillips
Who's who royal - Stephanie Phillips, la très discrète demi-sœur de Zara et Peter
Queen Maxima and Royal Ladies on Twitter: "Zara and Mike Tindall, Princess Anne, Peter Phillips and her girlfriend, Lindsay Wallace and Autum Kelly attended the marriage of Stephanie Phillips, Zara and Peter's
Zara Tindall and Peter Phillips' half-sister, Stephanie, is engaged | Tatler
Queen's Great-Grandchildren Participate in Wedding for Stephanie Phillips