They violated protection of personal information

I am very upset and angry. I have received court orders from metropolitan life saying that I owed them an amount more the R20000 I am not sure of the exact amount and I called their lawyers asking them what was I owing them and non of them could answer me and this one lady said to me I know about because there was a point I was paying them the money only to find out the company that was collecting the money called my mother they told my mother to pay for the debt I don’t know about according to me that is not lawful and when I asked for the recording of the conversation they said they will get back to me and up until this day no1 has and the