Composer of the Month Factfile Date of birth: 21 September 1874. Place of birth: Cheltenham, Gloucestershire, UK. Parents names: Adolph von Holst (professional musician) and Clara Cox. Siblings: Gustav Holst had one brother, Emil, who became known as Ernest Cossart. He also had two half brothers, Matthias and Evelyn from his father’s second marriage after... Continue Reading →