Instagram/Princess Eugenie & Jack B Celebrity Princess Eugenie and Jack Brooksbank announce they are expecting their third child, a baby due in 2026. See the sweet Instagram reveal. May 5, 2026 AceShowbiz - Princess Eugenie and her husband, Jack Brooksbank, have exciting news to share with the public: the couple is expecting their third child together, anticipated to arrive in 2026. Eugenie, the youngest daughter of Prince Andrew and Sarah Ferguson, already shares two sons with Jack, August, 5, and Ernest, 2.