Digital identity investigation

1- I've been searching about Angela C. and Laura E. and I haven't found anything about them.

2-On the internet you can see my account of twitter,google+, and the account I use to watch youtube.

3-It knows just little things since I 've been using this account and doesn't appear my location,also there are six devices joined to this account and 21 one products to export.
  https://www.google.com/ads/preferences
 https://maps.google.com/locationhistory
https://history.google.com
https://security.google.com/settings/security/activity
https://security.google.com/settings/security/activity
https://www.google.com/takeout


4-Google only knows which my sex and my age and I haven't changed anything because I think it doesn't shows anything important.
https://www.google.com/takeout