You should consider when selecting unsubscribe, the only choice offered in your Facebook profile is the disable account, something that makes sure that everything is completely removed, so it may be that the pictures, comments and personal conversations are stored, although already not be accessible to them.
Delete Facebook Page Account
If you wish to erase your single account you need to check out the following link and verify:
http://www.facebook.com/help/contact.php?show_form=delete_account
Note: Once verify not be able to recover your information and everything to do with the Bill, currently not you can utilize features it email, which gave low, you would have utilized a new account hotmail, gmail, and so on.
Delete request from sent by error
To erase a request mistakenly sent out to an individual (e.g. ask for relationship) in the top menu go to "Setup", then "Privacy settings".
Then compose the complete name of the individual in the field "Block individual".
Then look it up and lock it. So not your friendship request, will be given that obstructing someone eliminates any link with it. If you want this person to find you or have contact with her, you return to the 'obstructed list' and eliminate it by pressing Erase (but currently not your application will appear to him because it was formerly obstructed).
This does not work for sent messages, because they are all stored in the Inbox of the individual.
Thus the article Delete Facebook Page Account from us, hopefully useful thank you.