Google Gmail — Hacking and Compromised accounts

I have been dealing with hacking/compromised accounts for myself as well as my son for over two years to no avail. I finally was able to regain access to a gmail account that I had signed up for a Google Voice number. During the last year I have been locked out of this email as well as my son’s and the number. The number has been removed from my account (originated account) yet now it’s tied to other non Google accounts that I can’t resolve. My son is 14 now and his Gmail account is tied to an unknown number and I believe his identity is being used. I have spent many hours, days and sanity trying to use Google Help Community without success. I need help for my identity as well as my MINOR son. I spoke with Bandwidth who provides Google Voice their numbers and was told that they can in fact help me resolve this issue. Even though their online assistance leads to dead ends. I’m not blaming Google, this was not their doing. But they do need to help me resolve this issue. Please.