You have not given us any options to pick from @Kristina986
Not Donald Trump I can assure you
Benign is harmless, malignant is dangerous.
Answer:
Dissociative Amnesia
Explanation:
This kind of amnesia is a disorder that involves the incapacity a person has in order to remember very important information about themselves, such as name, address, marital status, if they have children or things like those.
To do a correct diagnosis it is always necessary to be based on history and one of the treatments that can be carried out is psychotherapy.