Globally, Guelfer (Гельфер , Guelfer ) is a very rare unisex first name. Much more prevalently, Guelfer is the last name as well as the forename.
Gülfer, and Гелфер
, Guelfer 
) is a very rare unisex first name. Much more prevalently, Guelfer is the last name as well as the forename.