Adrienne of Sweden2018 Born Fri, 9 March 2018 Danderyd Hospital, Danderyd Details Parents Princess, Duchess of Blekinge Adrienne Josephine Alice Bernadotte Age: 6 years, 9 months, 14 days father Christopher O'Neill 1974 mother Madeleine of Sweden 1982 Siblings Sister Leonore 2014 Brother Nicolas 2015