Hermann married Grace Emily Blundell Maple in 1896. Grace (daughter of Sir John Blundell Maple, 1st. Baronet of Childwickbury and Lady Emily Harriet Merryweather) was born on 7 Mar 1876 in Marylebone, Middlesex, England; was christened on 18 May 1876 in All Saints, St. Pancras, Middlesex, England; died on 24 Nov 1950 in London, England; was buried in Priory Road Cemetery, Ascot, Berkshire, England. [Group Sheet]