So in essenece you have two Origin Accounts. You can merge two Origin accounts into a single Origin account that will be linked with your EA Sports and battlefield titles. In order to do this you'll need to speak with a game advisor who can merge them.
You can reach a game advisor here:
https://help.ea.com/contact-us click on the orange button on the right to start a new case, follow the instructions and when you are presented with a contact method I recommend that you use the telephone option and the “call me” option so you don't have to stay on hold for a long time. The call back feature available to North America, Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Hungary, Ireland, Italy, Netherlands, Norway, Poland, Portugal, Russia, Spain, Sweden, Slovakia, Switzerland, and the UK.
