Dear Student,
Hope my response find you in a good health. It is nice to see that you such a strong educational baground. But I am sorry to inform you according to my research First Graduate Fee Wavier is grant to those students who are the first in their family to graduate.In your case it is not applicable as both your grandmother and your father are higly educated i.e. that is they have done their graduation. So the notion of first graduate will not work.
Hope I can help you out.
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