Bertram Cubitt was the eldest son of Major Frank Astley Cubitt and his wife Bertha, daughter of Captain Thomas Blakiston of the Royal Navy. The family resided at Thorpe Hall in Norwich, with an estate at
Fritton, near Yarmouth. His father came from a family of rural gentry, and had attended
Rugby and
Jesus College, Cambridge before entering the Army in 1853. He saw service in the
Indian Mutiny before returning to England, and retired from the Army in 1889. He later served as a
Justice of the Peace and chair of the local district council. Cubitt's youngest brother,
Thomas, also joined the Army, rising to command a division during the
First World War and finishing his career as
Governor of Bermuda. ==Career==