The content and sender of emails is outside my bailiwick, you'll need to take that up with AOL.
As the OP has said, the broadband account is owned and paid for by his/her father, perhaps his name is Graham?
Broadly similar considerations could well apply to the email address given earlier, perhaps another relative is employed by the company concerned.
Based on what I can actually
see, you may well be adding 2 and 2 and getting 5...