Mama Betty, as she was known, was married to Dr Kaunda for 66 years. Reports say she died in a hospital in Harare.
According to Zambian media reports details of her illness and subsequent death were not immediately available. Her son, Colonel Panji Kaunda who is Works and Supply deputy minister confirmed Mama Betty’s death.
Kenneth David Kaunda, also known as KK, served as the first President of Zambia, from 1964 to 1991.