To recover your account, you'll need your own email address associated with your account to be able to recover/access it. Hope this helps clarifies.
You'll need to have at least any one of the credentials associated with your account to recover it post which you can go ahead with deleting that account. Also, try going through these steps to get help signing in: https://goo.gl/v7CdWx ? Let us know if it helps!
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