Yes, in exceptional cases applicants may be exempt from the DSH requirement, if evidence of sufficient knowledge of oral and written German can be provided. Examples of such evidence are:
Please send your queries and applications for exemption to
Claudia Burghoff E-Mail: email@example.com or
Gabriela Leder E-Mail: firstname.lastname@example.org
Having the the German nationality or having a German-speaking parent are no reason for exemption.
Likewise, having obtained a degree in German language and literature in your country of origin does not exempt you per se from the DSH requirement.