A mother and her two daughters were strangled before their father was found hanging in Walthamstow, a post-mortem has revealed.
Police forced their way into the family home in Grove Road, Chadwell Heath, on Tuesday (May 12) at around 1.10pm after concerns were raised for the welfare of the occupants.
Inside they found the bodies of Shighi and her two 13-year-old girls.
There were initially no signs of any injuries.
The cause of death for Shighi Kotuvala, 37 and her twin daughters, Niya Rethishkumar and Neha Rethishkumar, was given as strangulation following a post mortem at East Ham Mortuary yesterday (May 14).
Pullarkattil Kunjunny Rethish Kumar, 44, was later found dead near a reservoir off Forest Road in Walthamstow.
Mr Patel's body was found hanging by a covered reservoir in Forest Road, Walthamstow
The cause of death was found to be hanging.
Police are not looking for anyone else in connection with the deaths.
The last confirmed sighting of the family was on Sunday, May 10.
Police attended the address in Grove Road late on the evening before the bodies were discovered but there was no response and no signs of any disturbance.
As is routine in these circumstances a referral to the Independent Police Complaints Commission was made on May 12.
Police enquiries continue to trace any next of kin.
Police outside the family's home in Chadwell Heath
Floral tributes left outside the scene where the family were discovered
Video: The Chadwell Heath home where the family were discovered
Video: Forensics in Forest Road Walthamstow