I’ve seen a couple of Trump fans say “hey! one of those files is Fred C. Trump, so the FBI is being fair!”

Fred C. Trump: Fred C. Trump (1905-1999) was a real estate developer and philanthropist. This release consists of… https://t.co/21KgtPpmzk

— FBI Records Vault (@FBIRecordsVault) October 30, 2016

Fred C. Trump (1905-1999) was a real estate developer and philanthropist. This release consists of references dated from 1966 and 1991 to Mr. Trump from FBI files.

The 1966 reference is actually a newspaper article in reference to Donald and Fred’s donations to NYC politicians, resulting in a call for campaign finance reform.
The rest is a list of Fred’s property interests between 1963 and 1988.
The page dated April 24, 1991 is pretty much redacted.