Hispanicize the surname "Hess"

[Roberto Martin]

I know the French Equivalent (Hesse) and the Hungarian (Hesz)
Is the Spanish equivalent "Heso" or "Hesso" or "Hesio" or "Hes" or something entirely different.

[Rusty]

'Jes' (or 'Ges') would be the Spanish pronunciation equivalent, although that initial consonant can be more aspirated than the English 'h'.
The Spanish letter 'h' is silent, so it can't be used to represent the English 'h' sound.

[AngelicaDeAlquezar]

I agree with Rusty about the pronunciation, but I don't know a Spanish form of the name.
For some very antique authors, there are Spanish equivalents of their first names, but hardly for their surnames.