Difference between Familiar to someone and Familiar with someone

familiar to someone—well-known to a person:

• The story is presented in a manner familiar to all radio-listeners.

familiar with someone—

1. acquainted with or knowing a person:

• I confess that I am not familiar with this writer.

2. on friendly terms or intimate with smb.:

• Do you address him as “Tom” or as “Mr. Green”? Don’t be too familiar with him.