Jun 4 Lilibet Diana Mountbatten-Windsor, daughter of the Duke and Duchess of Sussex, born in Santa Barbara, California About 2021 How Old? 1 or 2 years old Generation: Generation Alpha Chinese Zodiac: Rat (Jan 25, 2020 - Feb 11, 2021),Ox (Feb 12, 2021 - Jan 31, 2022) 2019 Birthdays in History by Year