*****ulent calls

i don't understand what is happening with this company or their people. The is a lady by the name Jenny Van Brakel, she called my Mother in law and she said she want to confirm my address because i am applying for a loan. Firstly there is no loan i am applying for secondly where did she got my mother in law contact, i am not sure with the ***** that is happening, is she applying loan using my details? . i tried to contact her on her cellphone and she doesn't answer the calls. Please i need answer on what is happening.