The once autocrat spent years in custody for his role in the deaths of protesters, but was freed in 2017 after the convictions were overturned.
Michele and Keith Harding have taken up the Kurdish struggle after their son Reece's death.
Ziad Qanawi - who appeared in court on the arm of his lawyer - still has 14 charges outstanding.
Egypt: Fears grow for Christian convert held captive in brutal Cairo prison for his religious beliefs
Bishoy Hegazy was convicted of blasphemy under current Egypt president, general Abdel Fatah el-Sisi.
General Abdel Fattah al-Sisi is being lampooned by Egyptian social media users.
Crackdown on sexually explicit books and pop stars follows mass jailings of political dissidents.