A Gauteng woman has been sentenced for murders of her two lovers and son.Forty-seven-year-old Pamela Ncumisa Selani was handed three life terms for three counts of murder for killing her two lovers Micheal Changisa and Gift, from Malawi, and her son Avile Jonjwana, in the Pretoria High Court.”She was given an additional 5 years imprisonment for defeating the administration of justice,” said National Prosecuting Authority spokesperson in Gauteng, Lumka Mahanjana.In 2016, Selani had been in a relationship with Changisa and the pair got into an argument after she found out that he had…