His elder brother was British army officer Edward John Granet. He was educated at Rugby School and Balliol College, Oxford (Modern History, 1889), and was called to the bar in 1893 at Lincoln's Inn.
The subject's elder brother was a British army officer named Edward John Granet. He received an education at Rugby School and Balliol College, Oxford, where he studied Modern History (1889), and was admitted to the bar in 1893 at Lincoln's Inn.