Credit: Supplied “It’s easy for people to say ‘just leave’ but it’s not easy for them to just leave,” she said. Rowan Baxter murdered Hannah, 31 and his own children, Aaliyah, six, Laianah, four, and Trey, three. Sue also urged Australians to “call people out” … Credit: Facebook The Queensland police’s Vulnerable Persons Unit had also been helping Hannah, offering her, the three children, and Baxter counselling and support through several community services related to domestic and family violence. Hannah Clarke and her three children Aaliyah, Laianah and Trey with Rowan Baxter. Isaiah also said that although he had known that he could he was entitled to make a claim on Hannah’s estate since March. ... Rowan Baxter was a former member of the New Zealand Warriors rugby league team in Auckland. Hannah Clarke and Rowan Baxter … Rowan Baxter had barely ever laid a hand on his wife Hannah Clarke – until he set fire to her and their three kids on a suburban Brisbane street in February. 10. Rowan Baxter … Hannah Baxter (nee Hannah Clarke) (8 September 1988 – 19 February 2020) was an Australian woman who was fatally burned in a petrol fire in her car in a quadruple murder–suicide by her estranged husband, Rowan Baxter, along with their three children, on 19 February 2020 in Camp Hill, Queensland. Hannah Clarke suffered a decade-long campaign of abuse before she and their three young children were burned to death in an horrific car fire in Australia. Hannah Clarke and kids set on fire by Rowan Baxter Hannah had left Baxter in November 2019, after enduring years of controlling and abusive behaviour. Lloyd and Sue Clarke, parents of murdered mother Hannah Clarke. RELATED: Hannah Clarke’s parents speak of ongoing grief. This week marks one year since the murders of Hannah Clarke and her children Aaliyah, six, Laianah, four, and Trey, three, at the hands of her former husband Rowan Baxter. Step son assumed he would get Rowan Baxter's estate. “We always had misgivings about him,” Hannah’s parents Lloyd and Suzanne told the Daily Mail , describing their former son-in-law as a “master manipulator.” She moved to her parents’ home in Camp Hill with the kids, where Baxter continued to torment her – with a terrified Hannah reportedly telling her parents that she believed he would kill her. It’s then that the controlling and emotionally abusive behaviour began. Hannah Clarke and her three children died in a horrific car fire set by her husband Rowan Baxter in Camp Hill, Brisbane in Australia on February 19, 2020. Picture: NCA NewWire / Dan Peled. Hannah Clarke, 31, and her children were killed on Wednesday. Hannah started dating Rowan Baxter when she was just 20 years old. Rowan Baxter killed his estranged wife Hannah Clarke, 31, and her three kids Aaliyah, 6, Laianah, 4, and Trey, 3, on Wednesday morning in Camp Hill.