Marli van Breda , 16 , suffered serious head injuries in Tuesday attack . She moved to a rehabilitation clinic on January after six weeks in hospital . Parents and eldest brother were killed in axe attack at South African home . Her other brother , Henri , escaped with light injuries and rang the police . Henri has been kept away from sister over fears he may traumatise her . The 22-year-old apparently 'giggled ' as he reported his family 's murder .
Marli van Breda , 16 , suffered serious head injuries in January attack . She moved to a rehabilitation clinic on Tuesday after six weeks in hospital . Parents and eldest brother were killed in axe attack at South African home . Her other brother , Henri , escaped with light injuries and rang the police . Henri has been kept away from sister over fears he may traumatise her . The 22-year-old apparently 'giggled ' as he reported his family 's murder .