The Marquess and Marchioness of Blandford, photographed together at a 2022 charity gala, quietly welcomed a son, Orlando, earlier this year. The couple are also parents to two daughters, Lady Olympia and Lady Leonora Luke Walker/Getty ImagesCongratulations to the Marquess and Marchioness of Blandford, who quietly welcomed a son together earlier this year. Camilla Spencer-Churchill gave birth to a son, Orlando Spencer-Churchill, in April. The boy, who will be styled Earl of Sunderland, is a brother to Lady Olympia, born in September 2020, and Lady Leonora, born December 2024. The Earl of Sunderland will one day become the 14th Duke of Marlborough and stands to inherit the family seat of Blenheim Palace, Oxfordshire, after his father.