A 42-year-old Tongatapu father has been handed 11 year prison sentences for sexually abusing and raping his two daughters for more than three years.

The ruling by Justice Charles Cato was made on December 13, local newspapers reported.

The older daughter was sexually abused and raped since she was 12-year-old.

The father also committed the same offences against his young daughter while she was 14.

At one stage his older daughter moved out with a friend but in February 2016 she returned home and his father continued abusing her.

The papers said the father told Chief Justice Charles Cato at Supreme Court he committed the crimes against his older daughter to teach and prepare her  for the day when she get married.

He also said in a report read out in court that he committed the crime after he was angry with his wife claiming she had an affair with another man.

The father was convicted of nine offences against his older daughter and 23 offences against his young daughter, the papers reported.

The father admitted the crimes and pleaded guilty to all 32 charges against him.

The court was told Police questioned and arrested the father after a complaint from a family member who knew about the abuse.

According to media reports the father will spend only six years in prison after Justice Cato suspended five and half years of his sentences.