Across the world, Диез (Диез , Dièse ) is an extremely rare unknown gender forename. Much more prevalently, Диез is the last name as well as the forename.
Diez, Diyez, and Dyez
Марко, and Ернесто
, Dièse 
) is an extremely rare unknown gender forename. Much more prevalently, Диез is the last name as well as the forename.