Emmett Brown was sentenced in Wollongong District Court on Thursday where Judge Andrew Haesler handed down a non-parole period of four years, total sentence of seven years.

Brown pleaded guilty to multiple charges of domestic violence against two women where he assaulted, intimidated and choked them over the course of their relationships with him.

"Some men as boys do not grow up with good role models or live in fear people will see them as weak if they don't put women in their place by means of violence...those attitudes have to change," he said.

"The community has to take responsibility for the perpetuation of violence against women.

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"It shouldn't put the burden on the women to stop this. Men have to take responsibility. Brown has to take responsibility.

"He has entrenched attitudes, drug use and anger responses.

"Obviously there must be punishment here and retribution but I cannot ignore the trauma from long-term intergenerational trauma and his own individual experiences.

"At the same time I cannot ignore the trauma he inflicted on his victims."

The court heard Brown was an Aboriginal man who grew up in the Illawarra region. His childhood was marred by violence and drug abuse, leaving him to be raised in part by his grandmother, prominent Aboriginal elder and Coomaditchie United Aboriginal Corporation chairperson Lorraine Brown.

Judge Haesler detailed the shocking violence Brown inflicted on his girlfriends, the first of whom he shared a child with.

The court heard Brown was intimidating towards the woman, often having arguments about custody over their son. On one occasion Brown kicked in the woman's bedroom door and told to pack her belongings because they were moving and she did so out of fear of assault.

In 2016, Brown punched the woman in the face before standing on her head as she cried. Brown afterwards made her "cuddle him" because he was tired.

On another occasion, the woman was woken up by being punched in the face after Brown had thought about her being with another man.

When the woman tried to end the relationship, Brown threatened "you're dead...I'll ring your neck".

The couple did break up for a while and the woman became pregnant to another man before she got back together with Brown, who promised he would not be violent towards her again.

However when she was nine weeks pregnant he dragged the woman by the hair and she couldn't get to her feet before her brother had to help.

Alarmingly in January 2018, the woman who was 38 weeks pregnant, was living in a room with Brown at his mother's house when she woke up one morning to find she had been locked inside by Brown and had no key to get out.

She yelled and banged on the door and no one came to help. The woman was left without food, water and a toilet, until Brown came back two days later, opened the door and said, "Oh bub, I forgot about you being here".

After the child was born, Brown became angry at the baby crying and he knocked his girlfriend unconscious twice, leaving her in a great deal of pain.

In August 2018, Brown began a relationship with another woman while he was living in Port Kembla with his grandmother and he was caring for his son.

About a month later, the woman tried to end the relationship and Brown punched in the face, splitting her nose and leaving a scar before he said "sorry I didn't mean it".

Brown subjected her to months of ongoing violence during their 10-month relationship, regularly reminding her of his association with outlaw motorcycle clubs.

In early November that year, Brown threatened to "shoot" the woman's "whole family" during one incident, then punched her in the face and tried to choke her in another incident.

Brown repeatedly promised not to assault the woman but he did, including when they went to Wagga Wagga to visit her family. He punched her in the face and she was dragged by her hair to a bedroom and further assaulted.

While the woman was pregnant with Brown's child, he punched her in the stomach. The woman had a miscarriage, unrelated to assaults from Brown, and she also had to grieve the death of her other son.

Brown again punched and tried to strangle the woman two months later in March 2019 after she asked to go see her father interstate.

The court heard police spoke to her about an unrelated matter a few days later and asked about the visible bruising on her neck, however she lied to them about the cause, suggesting it was from a necklace she'd been wearing.

She later told detectives she'd been "too afraid" to tell them the truth, fearing what Brown might do to her if she revealed the assaults.

Brown was arrested for serious domestic violence matters against his cousin that same month and remanded in custody. He was was later charged over the allegations his girlfriends had made.

In a victim impact statement provided to the court by the second woman, she spoke about living in fear and that she was forced to lie to her mother. She suffered sleeplessness, anxiety, panic attacks and had a constant lack of trust in men.

The court heard Brown's violence towards women was a "pattern of behaviour", with Judge Haesler previously noting in a sentencing hearing that Brown assaulted every woman he dated.

The court heard Brown had struggled in school when a child and there were signs of cognitive impairment.

Brown turned to drugs and alcohol as a teenager, with 'ice' making him paranoid. His parents were also jailed at times while he grew up.

He had held no job outside of jail and continued to go back to old associates upon release, which led to taking drugs and being violent towards women.

A psychological report noted Brown reacted to conflict with aggression, an inability to control impulses and he had no plan or strategy upon being released from custody to avoid repeat behaviour.

Judge Haesler said Brown's guilty plea indicted he accepted responsibility but "I'm not sure if he really understands the impact of the harm occasioned".

He also took to account Brown's young age and lack of maturity.

"There must be a need to recognise that change for the victims of domestic violence can only occur when men take responsibility for their behaviour and become part of the solution," Judge Haesler said.

"Women in Aboriginal communities should not be forced to bear an unfair burden. The victims of serious crimes, such as these, should not be deprived the protection that the law is meant to provide.

"Courts must avoid the perception that serious violence offences committed by Aboriginal men will be treated by the law as matters of 'little moment'."

He said Brown would need to learn how to lead a normal community life which would start with literacy assistance and supervision on parole.

Brown's sentence was backdated to August 2, 2020. He will be eligible for parole on August 3, 2024.

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