He was the son of Albert Günther, and his first wife Roberta Mitchell née McIntosh (1842–1869), sister of
William M‘Intosh. He married, in 1900, Amy née Neville-Rolfe, daughter of Eustace Neville-Rolfe CVO (1845–1908), HM Consul-General at Naples, and Emily Auber Frances née Thornhill (1844–1900). They had two sons: Eustace Rolfe Gunther (1902–1940) and Albert Everard Gunther (1903–1998). == Selected publications ==