Name Hyacinth customarily an English womans name is the English spelling of the generic name of the flower  which in German is spelled with a z   The subject was a German male The subjects given and legal name was Hyazinth German WP therefore uses Hyazinth A newly published Englishlanguage history of WWII in the Baltics Prit Buttars detailed and thoroughly documented Between Giants The Battle for the Baltics in World War II  published by UKbased Osprey  uses Hyazinth in every mention  To persist in using Hyacinth for this person is an error regardless of what past mistaken practice in English may have been Ref Buttar Prit Between Giants The Battle for the Baltics in World War II Oxford UK Osprey Publishing   ISBN  ISBN    please do not revert my edits again Thanks