Reginald Berkeley Cole was the younger brother of Galbraith Lowry Egerton Cole, who was commissioned into the 10th Royal Hussars as a second lieutenant on 7 March 1900.
His younger brother was Reginald Berkeley Cole. Galbraith Cole was commissioned into the 10th Royal Hussars as a second lieutenant on 7 March 1900, at age 19, and went to South Africa for service in the Second Boer War. 
