Kawsar is also accused of slave trading.One of the Yazidi women, Sarab, told Foreign Correspondent she was 11 when she was abducted by ISIS and 13 when she was taken to the home of Mohammed Ahmad, whom she knew as "Abu Omar".Ahmad has previously told the ABC he, his wife and daughters had travelled to Syria for his son Omar's wedding in 2014, only to discover his son had sworn allegiance to ISIS.He said he and his family were then trapped in the ISIS caliphate.Sarab alleges Abu Omar brought her into his house for a trial."I had to stay with them for three days and if they liked my work, they were going to buy me," she told Foreign Correspondent."It was very unpleasant But unlike Sarab, Tayseer alleged she was raped multiple times by Abu Omar.Mohammed Ahmad has previously denied the allegations and said it was his now-dead son who had kept a Yazidi woman in their home.Tayseer told Foreign Correspondent she had been made to film videos of the family living in the ISIS caliphate to send to their relatives in Australia.Both Tayseer and Sarab said they had been interviewed by the AFP, with Tayseer recalling the AFP had shown her some of the videos taken of the family during her time in the home.Sarab alleges that after she left the Australian family, she saw the daughters again later when they came to her captor's house to use the internet after their brother had been killed in fighting."They said they wanted to tell their extended family about the news, and that they were happy