Disabled. 33 years old. On disability

I have been mentally challenged my whole life and I have suffered from seizures every scene i was 2years old , my father Has passed He was 68 years old He was collecting social security and he was collecting Ava check for his disability I am 33 years Don't get very much from my disability is there any way I can collect from my father's disability, since I was his son, mental status im 33 but mentally challenged , with Major seizures