Life Beyoncé and her sister are not carriers of breast cancer genes By weekster Posted on October 6, 2019 1 min read Share on Facebook Share on Twitter Share on Google+ Beyoncé and her sister Solange can breathe with relief. The singers are not carriers of the BRCA2 gene or mutations of the breast cancer gene. That is what their father Mathew Knowles told to TMZ. The ladies were tested after it became known that their father had been diagnosed with the disease. Because it is a common disease in his family, Mathew immediately called his daughters to check if they are carriers of the gene. Pa Knowles’ health is doing well. He tells to TMZ that he is free from cancer now.