Alice was born in the Tapestry Room at Windsor Castle in Berkshire in the presence of her great-grandmother, Queen Victoria. She was the eldest child of Prince Louis of Battenberg and his wife, Princess Victoria of Hesse and by Rhine. Her mother was the eldest daughter of Louis IV, Grand Duke of Hesse, and Princess Alice of the United Kingdom, the Queen's second daughter. Her father was the eldest son of Prince Alexander of Hesse and by Rhine through his morganatic marriage to Countess Julia Hauke, who was created Princess of Battenberg in 1858 by Louis III, Grand Duke of Hesse. Her three younger siblings, Louise, George, and Louis, later became Queen of Sweden, Marquess of Milford Haven, and Earl Mountbatten of Burma, respectively.