1 / of 3 Hannah Clarke's parents ask community to light a candle in her memory one year on from horrific murders and Nibir Kahn ThuThursday 18 updated FriFriday 19 February 19 marks one year since the deaths of Hannah and her three children. ( Print text only Cancel The parents of Brisbane mother Hannah Clarke, who was murdered with her children in a horrific domestic violence attack, say they hope the criminalisation of coercive control in Queensland will be her legacy, as they mark one year their daughter and grandchildren died. Key points: Hannah's parents are pushing for coercive control to be criminalised They have also set up the Small Steps 4 Hannah Foundation to educate the community about controlling relationships