Three teenagers have been convicted of the murder of Sharif Demirsay in his own home near Bedford.
His family say his partner who witnessed the attack, is still "severely traumatised."
In a statement, the family of Mr Demirsay said: "The past 11 months have been an horrific ordeal for us all. This incident has had a devastating effect on so many lives. This was an unprovoked attack on an elderly couple who should have been safe in their own home."
Click below to watch the family statement
The partner of a man who was stabbed to death in Bedfordshire says that she is determined to bring his killers to justice.
Three teenagers have been found guilty of murdering a grandfather. Sharif Demirsay, 65, was stabbed to death in front of his partner.
Three teenagers have been convicted of murdering Sharif Demirsay from Kempston, Bedfordshire after breaking into home to steal jewellery.