A Queensland family now struck twice by tragedy has opened up about a devastating alleged domestic violence attack that destroyed their home on the weekend.

A Queensland family now struck twice by tragedy has opened up about a devastating alleged domestic violence attack that destroyed their home on the weekend.

The family of a husband and wife, critically injured in a horrifying alleged home invasion in northern NSW, have spoken of their parents' bravery.

The daughter of a NSW couple stabbed in their home says they have a “long road ahead” and the family has been “deeply traumatised”.