Kris - Deann brown , who was heavily pregnant , and her 12 year old son were found dead on Monday . The woman 's father Derek was also murdered at the house in Biddeston - west of derby - on Monday . investigators say the deaths of the father and mother are suspicious but the death of the man is not suspicious .
Kris-Deann Sharpley , who was heavily pregnant , and her seven year old son were found dead on Monday . The woman 's father Derek was also discovered at the house in Biddeston - west of Brisbane - on Monday . Police say the deaths of the boy and mother are suspicious but the death of the man is not suspicious .