Still suffering: family grieves murdered grandmother

Vyleen White's widowed husband Victor said his family were still trying to cope with the shock loss. (Darren England/AAP PHOTOS)

The family of a grandmother fatally stabbed in an attack that sparked landmark law reforms are still suffering after a teenager pleaded guilty to her murder.

However, her widowed husband says he is taking some comfort from the fact the horror incident helped usher in tougher sentences for juveniles in Queensland.