A Perth father who stabbed his son to death before rushing off to watch a football grand final will spend at least the next 16 years in prison after being handed a life term.

Ernest Albert Fisher, 67, was sentenced in Perth’s District Court on Thursday for the murder of Matthew Fisher-Turner.

Matthew Fisher-Turner was stabbed to death by his father in October 2016. His two siblings, Joshua and Hannah, were convicted of being an accessories to the murder. Credit:Facebook

Fisher was found guilty following a nine-day trial which also convicted two of his other children of being accessories to the murder that happened two years ago.

Joshua and Hannah Fisher-Turner, Matthew's siblings, were also sentenced on Thursday for their part in trying to cover up their father's crime.