The pair got into an argument and Bevan broke dinner plates.
This argument escalated and Bevan pushed the woman onto a couch and threatened to beat her although she did not receive any injuries.
Mr Walsh said Bevan and his partner were camping at a friend's place in April 2012 when a further incident occurred.
The woman had gone into the house to sleep in the spare room because she was cold and Bevan verbally abused her and called her a "whore".
Bevan spat at his partner before pushing and shoving her and forced her onto the bed.
He left the room and she asked a relative to stay with her before she approached Bevan in the morning to tell him the relationship was over.
Bevan put her in a headlock and wrestled her to the ground before people at the house intervened. A protection order was later issued.
In yet another incident in July, Bevan had threatened to kill himself when the woman again told him she would leave.
The woman had calmed Bevan down, and started packing her belongings later that morning while he was in the living room.
He had trouble with a laptop he was using and the woman was unable to fix the problem and so continued packing.
Bevan indicated she could only go away for two days and threatened to kill her children.
He then grabbed a photo of the children and smashed it and accused her of sleeping with another man, while holding a Maori taiaha.
"She sat on the corner of the bed too scared to move," said Judge Walsh.
He then smashed the laptop and grabbed the door as she tried to leave.
A man in a white van turned up at the house and the woman asked them to call 111.
She managed to get in the vehicle and he threatened her and the driver with a knife.
"She expressed her concern that you were going to kill her on that occasion and she was preparing herself," said Mr Walsh.
Lawyer Ian Hard said Bevan - who is currently in prison - realised it was time to turn his life around and had "quite a shift in attitude".
Bevan did not want an electronically monitored sentence as he felt prison was the best place for him.
Mr Hard said Bevan had a "terrible upbringing" and had been "in and out of prison" for years.
He said Bevan hopes to gain a BA in the social sciences and work with Maori youth.
The woman complainant was writing to Bevan and there was a possibility of a reconciliation.
Mr Walsh said Bevan had over 83 previous convictions but acknowledged what he had accomplished in prison.
He said "there was a real potential for tragedy" in relation to the incident with the knife.
Bevan was sentenced to two years and two months in prison.
